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1.
BMC Womens Health ; 24(1): 259, 2024 Apr 25.
Article in English | MEDLINE | ID: mdl-38664690

ABSTRACT

BACKGROUND: Intimate Partner Violence (IPV) is the range of sexually, psychologically and physically coercive acts used against adult and adolescent women by a current or former male partner. It is a major public health problem globally. This study determined the prevalence, patterns and predictors of IPV amongst female undergraduates in Abia State. METHODS: A cross-sectional study was conducted from January - February 2022 amongst 306 female undergraduates in Abia State. A mixed method of an online structured questionnaire created on Google forms & onsite self-administered questionnaire were deployed for data collection. Descriptive, bivariate and multivariate analyses were done using IBM SPSS Version 26.0. The level of significance was set at 5%. RESULTS: A total of 306 respondents participated in the survey. The overall prevalence of IPV amongst female undergraduates was 51.2% (95% CI: 44.8-57.6%). Emotional abuse was the most common form of abuse 78.9%, followed by Physical abuse 42.0% and Sexual abuse 30.8%. Predictors of IPV reported include female earning/receiving more than their partner monthly (aOR = 2.30; 95% CI: 1.20-4.41); male (partner) alcohol consumption (aOR = 5.17; 95% CI: 2.46-10.88), being a smoker of cigarette/marijuana (aOR = 11.01; 95% CI: 1.26-96.25) and having witnessed domestic violence as a child (aOR = 3.55; 95% CI: I.56-8.07). Adverse effects such as unwanted pregnancies (12%), miscarriages (10%), eating/sleeping disorders (21%) and bruises (23%) amongst others were noted in some of the victims. CONCLUSION: Over half of all female undergraduates in Abia State have experienced IPV with emotional abuse being the commonest. Some Individual and relationship factors were identified as predictors of IPV. We recommend intensifying primary prevention campaigns against risk factors identified like smoking and alcohol consumption.


Subject(s)
Intimate Partner Violence , Students , Humans , Female , Intimate Partner Violence/statistics & numerical data , Intimate Partner Violence/psychology , Nigeria/epidemiology , Cross-Sectional Studies , Prevalence , Young Adult , Students/statistics & numerical data , Students/psychology , Adult , Adolescent , Surveys and Questionnaires , Universities , Risk Factors , Sexual Partners/psychology , Public Health , Alcohol Drinking/epidemiology , Alcohol Drinking/psychology , Male , Emotional Abuse/statistics & numerical data , Emotional Abuse/psychology , Sex Offenses/statistics & numerical data , Sex Offenses/psychology
2.
BMC Pregnancy Childbirth ; 24(1): 314, 2024 Apr 25.
Article in English | MEDLINE | ID: mdl-38664731

ABSTRACT

BACKGROUND: Pregnancy and delivery deaths represent a risk to women, particularly those living in low- and middle-income countries (LMICs). This population-based survey was conducted to provide estimates of the maternal mortality ratio (MMR) in Lagos Nigeria. METHODS: A community-based, cross-sectional study was conducted in mapped Wards and Enumeration Areas (EA) of all Local Government Areas (LGAs) in Lagos, among 9,986 women of reproductive age (15-49 years) from April to August 2022 using a 2-stage cluster sampling technique. A semi-structured, pre-tested questionnaire adapted from nationally representative surveys was administered using REDCap by trained field assistants for data collection on socio-demographics, reproductive health, fertility, and maternal mortality. Data were analysed using SPSS and MMR was estimated using the indirect sisterhood method. Ethical approval was obtained from the Lagos State University Teaching Hospital Health Research and Ethics Committee. RESULTS: Most of the respondents (28.7%) were aged 25-29 years. Out of 546 deceased sisters reported, 120 (22%) died from maternal causes. Sisters of the deceased aged 20-24 reported almost half of the deaths (46.7%) as due to maternal causes, while those aged 45-49 reported the highest number of deceased sisters who died from other causes (90.2%). The total fertility rate (TFR) was calculated as 3.807, the Lifetime Risk (LTR) of maternal death was 0.0196 or 1-in-51, and the MMR was 430 per 100,000 [95% CI: 360-510]. CONCLUSION: Our findings show that the maternal mortality rate for Lagos remains unacceptable and has not changed significantly over time in actual terms. There is need to develop and intensify community-based intervention strategies, programs for private hospitals, monitor MMR trends, identify and contextually address barriers at all levels of maternal care.


Subject(s)
Maternal Mortality , Humans , Female , Nigeria/epidemiology , Adult , Cross-Sectional Studies , Middle Aged , Adolescent , Young Adult , Pregnancy , Siblings , Surveys and Questionnaires
3.
BMC Womens Health ; 24(1): 250, 2024 Apr 20.
Article in English | MEDLINE | ID: mdl-38643114

ABSTRACT

BACKGROUND: Sleep is essential for pregnant women's and the offspring's health and wellbeing. Poor sleep and disorders have been linked with adverse fetal outcomes and delivery conditions. However, pregnant women often experience several forms of sleep disruption, which has been scarcely reported in low and middle-income countries (LMIC), including Nigeria where the influence of lifestyle factors has also been lacking. We investigated sleep patterns and disorders and the associated factors among pregnant women in Southwest, Nigeria. METHOD: A cross-sectional study was conducted among five hundred (500) pregnant women attending Adeoyo Maternity Teaching Hospital. A semi-structured questionnaire was used to examine different domains of sleep and associated disorders, namely sleep quality (Pittsburgh Sleep Quality Index (> 5 and ≤ 5)), insomnia (Insomnia Severity Index (> 8 and ≤ 8)), restless leg syndrome (Restless Leg Syndrome Rating Scale (> 10 and ≤ 10). Significant covariates such as physical activity, minimum dietary diversity, smoking and alcohol intake were also assessed. We conducted bivariate and multivariate analysis at p < 0.05 significance level. RESULTS: The mean age of participants was 30.4 ± 4.8 years. The pattern of sleep disorder in pregnant were poor sleep quality (50%), restless leg syndrome (58.2%) and insomnia (33.4%). Being currently married (AOR = 6.13; 95% CI: (1.65-22.23)), increasing gestational age: second trimester (AOR = 8.25;95% CI: (1.78-38.17)) to third trimester (AOR = 10.98; 95% CI: (2.44-49.48)) increased the odds of poor sleep quality. Factors associated with restless leg syndrome were marital status [AOR = 3.60; 95% CI; (1.25-10.35)], religion, rigorous physical activities [AOR = 1.52; 95% CI: (1.05-2.21)] and alcohol consumption [AOR = 3.51; 95% CI: (1.00-12.27)]. Factors associated with insomnia were maternal age [AOR = 1.83; 95% CI: (1.11-3.01)], income [AOR = 2.99 (1.26-7.16)] and rigorous physical activity [AOR = 2.55 (1.61-4.02)]. CONCLUSION: Poor sleep quality, restless leg syndrome and insomnia were typical among pregnant women in Ibadan, Southwest Nigeria. Thus, awareness and education on the importance of sleep and its risk and protective factors, such as alcohol consumption, smoking, rigorous activity and spousal and family support, should be increased to reduce poor sleep quality and sleep disorders (restless leg syndrome and insomnia) during the pregnancy period.


Subject(s)
Restless Legs Syndrome , Sleep Initiation and Maintenance Disorders , Sleep Wake Disorders , Pregnancy , Female , Humans , Adult , Pregnant Women , Sleep Initiation and Maintenance Disorders/epidemiology , Nigeria/epidemiology , Cross-Sectional Studies , Restless Legs Syndrome/epidemiology , Sleep , Sleep Wake Disorders/epidemiology
4.
PLoS One ; 19(4): e0300220, 2024.
Article in English | MEDLINE | ID: mdl-38635546

ABSTRACT

INTRODUCTION: Adolescents and young adults (AYA) face multiple barriers to accessing healthcare services, which can interact, creating complex needs that often impact health behaviours, leading to increased vulnerability to HIV. We aimed to identify distinct AYA subgroups based on patterns of barriers to HIV testing services and assess the association between these barrier patterns and sexual behaviour, socio-demographics, and HIV status. METHODS: Data were from Nigeria's AIDS Indicator and Impact Survey (NAIIS, 2018) and included 18,612 sexually active AYA aged 15-24 years who had never been tested for HIV and reported barriers to accessing HIV testing services. A Latent class analysis (LCA) model was built from 12 self-reported barrier types to identify distinct subgroups of AYA based on barrier patterns. Latent class regressions (LCR) were conducted to compare the socio-demographics, sexual behaviour, and HIV status across identified AYA subgroups. Sex behaviour characteristics include intergenerational sex, transactional sex, multiple sex partners, condom use, and knowledge of partner's HIV status. RESULTS: Our LCA model identified four distinct AYA subgroups termed 'low-risk perception' (n = 7,361; 39.5%), 'consent and proximity' (n = 5,163; 27.74%), 'testing site' (n = 4,996; 26.84%), and 'cost and logistics' (n = 1,092; 5.87%). Compared to adolescents and young adults (AYA) in the low-risk perception class, those in the consent and proximity class were more likely to report engaging in intergenerational sex (aOR 1.17, 95% CI 1.02-1.35), transactional sex (aOR 1.50, 95% CI 1.23-1.84), and have multiple sex partners (aOR 1.75, 95% CI 1.39-2.20), while being less likely to report condom use (aOR 0.79, 95% CI 0.63-0.99). AYA in the testing site class were more likely to report intergenerational sex (aOR 1.21, 95% CI 1.04-1.39) and transactional sex (aOR 1.53, 95% CI 1.26-1.85). AYA in the cost and logistics class were more likely to engage in transactional sex (aOR 2.12, 95% CI 1.58-2.84) and less likely to report condom use (aOR 0.58, 95% CI 0.34-0.98). There was no significant relationship between barrier subgroup membership and HIV status. However, being female, aged 15-24 years, married or cohabiting, residing in the Southsouth zone, and of Christian religion increased the likelihood of being HIV infected. CONCLUSIONS: Patterns of barriers to HIV testing are linked with differences in sexual behaviour and sociodemographic profiles among AYA, with the latter driving differences in HIV status. Findings can improve combination healthcare packages aimed at simultaneously addressing multiple barriers and determinants of vulnerability to HIV among AYA.


Subject(s)
HIV Infections , Humans , Adolescent , Female , Young Adult , Male , HIV Infections/diagnosis , HIV Infections/epidemiology , Nigeria/epidemiology , Latent Class Analysis , Sexual Behavior , Sexual Partners , HIV Testing
5.
PLoS One ; 19(4): e0292294, 2024.
Article in English | MEDLINE | ID: mdl-38635555

ABSTRACT

INTRODUCTION: Sexual dysfunction in women with HIV is a necessary but understudied aspect of HIV complications in women living with HIV. This study reports the prevalence, pattern, and risk factors for sexual dysfunction in women living with HIV in southwest Nigeria. METHODS: A validated Female Sexual Function Index was used to determine sexual dysfunction in a cross-sectional study design involving 2926 adult women living with HIV in a large, publicly funded tertiary HIV treatment centre in Lagos, Nigeria. A score of less than 26.5 indicated sexual dysfunction. Multivariate logistic regression analysis was performed to identify risk factors for sexual dysfunction. P<0.05 was considered statistically significant at a 95% confidence interval (CI). RESULTS: The prevalence of sexual dysfunction was 71.4%. The types of dysfunctions detected included disorder of desire (76.8%), sexual arousal (66.0%), orgasm (50.0%), pain (47.2%), lubrication (47.2%), and satisfaction (38.8%). Multivariate analysis showed that menopause (aOR: 2.0; 1.4-4.1), PHQ score of 10 and above (aOR: 2.3; 1.7-3.2), co-morbid medical conditions (aOR: 1.8; 1.4-2.7), use of protease inhibitor-based antiretroviral therapy (aOR: 1.3; 1.2-2.1) and non-disclosure of HIV status (aOR: 0.7; 0.6-0.8) were factors associated with sexual dysfunction. CONCLUSIONS: Sexual dysfunction is common among Nigerian women living with HIV. Menopause, use of protease inhibitor-based regimens, PHQ score of at least 10, co-morbid medical condition, and non-disclosure of HIV status were associated with sexual dysfunction. National HIV programmes, in addition to incorporating screening and management of sexual dysfunction in the guidelines, should sensitise and train health workers on the detection and treatment of sexual dysfunction.


Subject(s)
HIV Infections , Sexual Dysfunction, Physiological , Sexual Dysfunctions, Psychological , Adult , Humans , Female , HIV Infections/complications , HIV Infections/epidemiology , Sexual Dysfunctions, Psychological/epidemiology , Sexual Dysfunctions, Psychological/etiology , Cross-Sectional Studies , Surveys and Questionnaires , Nigeria/epidemiology , Sexual Dysfunction, Physiological/etiology , Sexual Dysfunction, Physiological/complications , Protease Inhibitors
6.
West Afr J Med ; 41(2): 148-155, 2024 Feb 29.
Article in English | MEDLINE | ID: mdl-38581684

ABSTRACT

BACKGROUND: Beyond clinical evaluation, additional significant areas of well-being for older people include the emotional, social, material, and functional domains. OBJECTIVES: The study assessed the functional status and its relationship with social support of older patients attending the Geriatric Centre, UCH. METHODOLOGY: A cross-sectional study of 396 randomly selected patients aged 65 years and above was undertaken to assess their functional status (by scoring their basic activities of daily living using the Barthel index) and social support (using the Multidimensional scale of perceived social support). An interviewer-administered questionnaire was used to obtain the socio-demographic data, anthropometric measurements, and morbidities of each patient. Data collected was analysed using the Statistical Package for Social Sciences (SPSS) version 20. The level of significance of analysis was set at p ≤0.05. RESULTS: Participants in the study had a male-to-female ratio of 1:1.6, and their mean age (SD) was 73.2 ± 6.3 years. Functional dependency was seen in 87.4% of cases. Majority of older patients (81.1%) expressed a moderate perception of social support. The Most common morbidities among the responders were osteoarthritis, cataracts, and hypertension. Functional dependency was found to increase with an increase in family and romantic partner social support, high educational levels, and increased age. {adjusted odds ratio (AOR):1.05;95%confidence interval [CI]:1.00-1.11. (P=0.049) The odds of being functionally dependent were higher for respondents who received at least 30,000 naira ($100) in financial support from their children (AOR:2.24; 95% CI:1.06-4.77) (P=0.022). CONCLUSION: This study showed that functional dependency worsened with increased social support in older patients. The results indicated the need for a multi-factorial evaluation of functional dependence in older patients.


CONTEXTUALISATION: Au-delà de l'évaluation clinique, d'autres domaines importants du bien-être des personnes âgées comprennent les aspects émotionnels, sociaux, matériels et fonctionnels. OBJECTIFS: L'étude a évalué l'état fonctionnel et le soutien social des patients âgés fréquentant le Centre Gériatrique de l'UCH. MÉTHODOLOGIE: Une étude transversale portant sur 396 patients sélectionnés de manière aléatoire, âgés de 65 ans et plus, a été réalisée pour évaluer leur état fonctionnel (en évaluant leurs activités de base de la vie quotidienne à l'aide de l'indice de Barthel) et leur soutien social (à l'aide de l'échelle multidimensionnelle du soutien social perçu). Un questionnaire administré par un enquêteur a été utilisé pour obtenir les données sociodémographiques, les mesures anthropométriques et les morbidités de chaque patient. Les données recueillies ont été analysées à l'aide du logiciel Statistical Package for Social Sciences (SPSS) version 20. Le niveau de signification de l'analyse a été fixé à p ≤0,05. RÉSULTATS: Les participants à l'étude présentaient un ratio hommes-femmes de 1 pour 1,6, et leur âge moyen (écart type) était de 73,2 (6,3) ans. Une dépendance fonctionnelle a été observée chez 87,4 % des cas. La majorité des patients âgés (81,1 %) ont exprimé une perception modérée du soutien social. Les morbidités les plus courantes parmi les répondants étaient l'arthrose, la cataracte et l'hypertension. Une dépendance fonctionnelle a été constatée pour augmenter avec l'augmentation du soutien social de la famille et du partenaire romantique, les niveaux d'éducation élevés et l'âge accru {rapport de cotes ajusté (AOR) : 1,05 ; intervalle de confiance à 95 % [IC] : 1,00-1,11}(P=0.049). Les chances de dépendance fonctionnelle étaient plus élevées pour les personnes qui recevaient au moins 30 000 nairas (100 $) de soutien financier de leurs enfants (AOR : 2,24 ; IC à 95 % : 1,06-4,77)(P=0.022). CONCLUSION: Cette étude a montré une prévalence élevée de la dépendance fonctionnelle et du soutien social chez les patients âgés. Les résultats ont indiqué la nécessité d'une évaluation multifactorielle de la dépendance fonctionnelle chez les patients âgés. MOTS-CLÉS: Incapacité fonctionnelle, Soutien social, Patients âgés, Gériatrie.


Subject(s)
Activities of Daily Living , Social Support , Child , Humans , Aged , Male , Female , Nigeria/epidemiology , Cross-Sectional Studies , Universities , Hospitals, University
7.
West Afr J Med ; 41(2): 209-214, 2024 Feb 29.
Article in English | MEDLINE | ID: mdl-38583094

ABSTRACT

BACKGROUND: Peripartum cardiomyopathy (PPCM) is a multifactorial disease. Although the specific aetiology and pathogenesis of PPCM are unknown, several hypotheses have been proposed, including selenium deficiency. However, the risk of PPCM from selenium deficiency was not previously quantified. This posthoc analysis of peripartum cardiomyopathy in Nigeria (PEACE) registry data aimed to determine if selenium deficiency is an independent risk factor for PPCM. METHODS: Apparently healthy women who delivered within the previous 8 weeks and PPCM patients in Kano, Nigeria, were compared for selenium deficiency (<70µg/L) and other relevant socio-demographic and clinical characteristics. Selenium level was measured at recruitment for each subject. Independent predictors of PPCM were determined using logistic regression models. RESULTS: 159 PPCM patients and 90 age-matched controls were consecutively recruited. 84.9% of the patients and 3.3% of controls had selenium deficiency. Selenium deficiency independently increased the odds for PPCM by 167-fold while both unemployment and lack of formal education independently increased the odds by 3.4-fold. CONCLUSION: Selenium deficiency was highly prevalent among PPCM patients in Kano, Nigeria, and significantly increased the odds for PPCM. These results could justify screening of women in their reproductive years for selenium deficiency, particularly those living in regions with high incidence of PPCM. The results also call for the setting up of a definitive clinical trial of selenium supplementation in PPCM patients with selenium deficiency, to further define its benefits in the treatment of PPCM.


CONTEXTE: La cardiomyopathie péripartum (CMPP) est une maladie multifactorielle. Bien que l'étiologie spécifique et la pathogenèse de la CMPP soient inconnues, plusieurs hypothèses ont été proposées, notamment la carence en sélénium. Cependant, le risque de CMPP lié à la carence en sélénium n'a pas été précédemment quantifié. Cette analyse post-hoc des données du registre de la cardiomyopathie péripartum au Nigéria (PEACE) visait à déterminer si la carence en sélénium est un facteur de risque indépendant de la CMPP. MÉTHODES: Des femmes apparemment en bonne santé ayant accouché dans les 8 semaines précédentes et des patientes atteintes de CMPP à Kano, au Nigéria, ont été comparées pour la carence en sélénium (<70µg/L) et d'autres caractéristiques socio-démographiques et cliniques pertinentes. Le taux de sélénium a été mesuré au recrutement pour chaque sujet. Les prédicteurs indépendants de la CMPP ont été déterminés à l'aide de modèles de régression logistique. RÉSULTATS: 159 patientes atteintes de CMPP et 90 témoins appariés selon l'âge ont été recrutés consécutivement. 84,9% des patientes et 3,3% des témoins présentaient une carence en sélénium. La carence en sélénium augmentait indépendamment les chances de CMPP de 167 fois, tandis que le chômage et le manque d'éducation formelle augmentaient indépendamment les chances de 3,4 fois. CONCLUSION: La carence en sélénium était très répandue parmi les patientes atteintes de CMPP à Kano, au Nigéria, et augmentait significativement les chances de CMPP. Ces résultats pourraient justifier le dépistage de la carence en sélénium chez les femmes en âge de procréer, en particulier celles vivant dans des régions à forte incidence de CMPP. Les résultats appellent également à la mise en place d'un essai clinique définitif sur la supplémentation en sélénium chez les patientes atteintes de CMPP présentant une carence en sélénium, afin de définir davantage ses avantages dans le traitement de la CMPP. MOTS-CLÉS: Cardiomyopathie Péripartum; Carence en Sélénium; Facteur de Risque.


Subject(s)
Cardiomyopathies , Malnutrition , Selenium , Humans , Female , Peripartum Period , Nigeria/epidemiology , Risk Factors , Cardiomyopathies/epidemiology , Cardiomyopathies/etiology
8.
PLoS Negl Trop Dis ; 18(4): e0012101, 2024 Apr.
Article in English | MEDLINE | ID: mdl-38620032

ABSTRACT

BACKGROUND: Schistosomiasis is endemic in Nigeria, and the treatment is largely concentrated on children enrolled in schools. Consequently, the coverage of non-enrolled school-aged children is often neglected. Ajagba and Awosan are two communities in Nigeria that have never had any control intervention. Hence, this survey was designed to determine the endemicity of urogenital schistosomiasis and to evaluate the efficacy of a single-dose praziquantel in the communities. METHODS: Urine sample (10 mL) of each participant from Ajagba and Awosan communities was filtered through 12µm polycarbonate filter. The filter was placed on a microscope slide, and stained with a drop of 1% Lugol iodine solution. The stained slides were examined under the microscope and the numbers of S. haematobium eggs were counted. Water contact sites were searched for snail hosts and the snails collected were shed for Schistosoma cercariae. Data were analyzed using SPSS version 24.0 and the significance level was set at 95%. RESULTS: The overall prevalence of infection in the Ajagba community was 45.6% with a mean intensity of 61.1 ± 144.5 eggs/10 mL of urine, while the prevalence of infection in the Awosan community was 5.7% with a mean intensity of 1.4 ± 6.8 eggs/10 mL of urine. The school-aged children had a prevalence and mean intensity of infection of 73.1% and 111.6 ± 177.9 eggs/10 mL of urine, respectively. Following treatment, women had a higher egg reduction rate than men (p = 0.0283). Bulinus globosus were found in Ajagba but not in Awosan, with 5.7% shedding Schistosoma spp, cercariae. CONCLUSION: Urogenital schistosomiasis was hyperendemic in the Ajagba community, and hypoendemic in the Awosan community. The presence of Bulinus globosus supported the transmission of the schistosomiasis in the Ajagba community. Communities where schistosomiasis is still actively transmitted in Nigeria should be identified for effective intervention through the MDA programs.


Subject(s)
Anthelmintics , Praziquantel , Rural Population , Schistosoma haematobium , Schistosomiasis haematobia , Nigeria/epidemiology , Humans , Praziquantel/administration & dosage , Praziquantel/therapeutic use , Child , Schistosomiasis haematobia/drug therapy , Schistosomiasis haematobia/epidemiology , Animals , Female , Male , Adolescent , Schistosoma haematobium/drug effects , Anthelmintics/administration & dosage , Anthelmintics/therapeutic use , Adult , Young Adult , Prevalence , Snails/parasitology , Child, Preschool , Middle Aged , Endemic Diseases , Parasite Egg Count
9.
PLoS Negl Trop Dis ; 18(4): e0011472, 2024 Apr.
Article in English | MEDLINE | ID: mdl-38620029

ABSTRACT

BACKGROUND: Natural interspecific hybridization between the human parasite (Schistosoma haematobium [Sh]) and bovine parasites (Schistosoma bovis [Sb], Schistosoma curassoni [Sc]) is increasingly reported in Africa. We developed a multi-locus PCR DNA-Seq strategy that amplifies two unlinked nuclear (transITS, BF) and two linked organellar genome markers (CO1, ND5) to genotype S. haematobium eggs collected from infected people in Ile Oluji/Oke Igbo, Ondo State (an agrarian community) and Kachi, Jigawa State (a pastoral community) in Southwestern and Northern Nigeria, respectively. PRINCIPAL FINDINGS: Out of a total of 219 urine samples collected, 57 were positive for schistosomes. All patients from Jigawa state possessed an Sh mitochondrial genome and were infected with a genetic profile consistent with an Sh x Sb hybrid based on sequences obtained at CO1, ND5, transITS and BF nuclear markers. Whereas samples collected from Ondo state were more varied. Mitonuclear discordance was observed in all 17 patients, worms possessed an Sb mitochondrial genome but one of four different genetic profiles at the nuclear markers, either admixed (heterozygous between Sh x Sc or Sh x Sb) at both markers (n = 10), Sh at BF and admixed at transITS (Sh x Sc) (n = 5), admixed (Sh x Sc) at BF and homozygous Sc at transITS (n = 1) or homozygous Sh at BF and homozygous Sc at transITS (n = 1). SIGNIFICANCE: Previous work suggested that zoonotic transmission of S. bovis in pastoral communities, where humans and animals share a common water source, is a driving factor facilitating interspecific hybridization. However, our data showed that all samples were hybrids, with greater diversity identified in Southwestern Nigeria, a non-pastoral site. Further, one patient possessed an S. bovis mitochondrial genome but was homozygous for S. haematobium at BF and homozygous for S. curassoni at transITS supporting at least two separate backcrosses in its origin, suggesting that interspecific hybridization may be an ongoing process.


Subject(s)
Hybridization, Genetic , Schistosoma haematobium , Schistosomiasis haematobia , Animals , Nigeria/epidemiology , Humans , Schistosoma haematobium/genetics , Schistosoma haematobium/isolation & purification , Schistosoma haematobium/classification , Schistosomiasis haematobia/parasitology , Schistosomiasis haematobia/epidemiology , Male , Female , Genotype , DNA, Helminth/genetics , Genome, Mitochondrial , Adult
10.
Pan Afr Med J ; 47: 59, 2024.
Article in English | MEDLINE | ID: mdl-38646134

ABSTRACT

Introduction: cardiovascular disease (CVD) is a major public health issue with a high global death rate and a significant death contribution from low-and middle-income countries. Modifiable and non-modifiable risk factors assessment and screening are important in their effective prevention and control. This study was designed to screen and assess cardiovascular risk factors in an agrarian community in Nigeria and to predict their 10-year CVD risk. Methods: this was a cross-sectional study carried out in the Umueri community in Anambra State, Nigeria. Each participant responded to an epidemiologic survey using the World Health Organization (WHO) cardiovascular risk factors assessment tool with point-of-care screening procedures. The risk assessment for 10-year CV risk was conducted using region-specific WHO/ISH charts. Patients´ characteristics were analyzed and presented in frequencies and percentages. Results: the mean age, systolic blood pressure, fasting plasma glucose, and total cholesterol of the study population were 54 years ± 1.27, 132 mmHg ± 2.088, 130 mg/dl ± 4.608, and 215 mg/dl ± 10.355 respectively. However, 98 (48.8%) have never had their blood pressure checked. About a quarter of the population had a high predicted risk of developing CVD within 10 years. Conclusion: most of the assessed cardiovascular risk factors in the community are on average above the normal ranges and their probability risk of developing CVD within the next 10 years is high.


Subject(s)
Cardiovascular Diseases , Heart Disease Risk Factors , Mass Screening , Humans , Cross-Sectional Studies , Nigeria/epidemiology , Cardiovascular Diseases/epidemiology , Male , Female , Middle Aged , Risk Assessment/methods , Mass Screening/methods , Adult , Aged , Blood Pressure , Blood Glucose/analysis , Risk Factors
11.
Clin Transl Sci ; 17(4): e13790, 2024 04.
Article in English | MEDLINE | ID: mdl-38571339

ABSTRACT

Drug-drug interactions are preventable causes of adverse events. Different factors have been recognized as important predictors of drug-drug interactions but few studies have addressed these predictors in patients admitted into medical wards of a tertiary hospital in Nigeria hence this study. This was a retrospective study conducted using case records of patients admitted into the medical wards between January 1 and December 31, 2020. Patients were selected using a systematic random sampling method. Socio-demographic details including age, gender, number of comorbidities, and number of medications prescribed and diagnosis were collected on days 1, 3, and at discharge. Potential drug-drug interactions were checked using Lexi-interact® software. Analysis was set at p < 0.05. A total of 430 case records were included in this study based on the inclusion criteria. Lexi-interact recorded a prevalence of (217) 50.5% on day 1, (146) 34.0% on day 3, and (290) 67.4% at discharge. A significant association (p < 0.05) was found between the potential drug-drug interactions (DDI) and an increased number of medicines prescribed on all the days of admission. Also, patients without certain infectious or parasitic diseases have reduced odds of developing DDI. There is a need for continuous monitoring of medications from admission to discharge especially in the elderly, those on multiple medications, certain infectious or parasitic diseases, and comorbidities as these impact on DDIs.


Subject(s)
Hospitals, Teaching , Parasitic Diseases , Humans , Aged , Retrospective Studies , Nigeria/epidemiology , Drug Interactions
12.
BMC Public Health ; 24(1): 952, 2024 Apr 02.
Article in English | MEDLINE | ID: mdl-38566137

ABSTRACT

BACKGROUND: Urogenital schistosomiasis (UgS) remains a persistent health challenge among adolescents in Anambra State, Nigeria, despite ongoing control efforts. Mass praziquantel treatment programs, initiated in 2013, primarily target primary school-aged children (5-14 years old), leaving adolescents (10-19 years old) enrolled in secondary schools vulnerable to urogenital schistosomiaisis. Additionally, the extent of female genital schistosomiasis (FGS), a neglected gynaecological manifestation of UgS remains unclear. METHODOLOGY: To address these gaps, a cross-sectional study was conducted in Anaocha Local Government Area from February to May 2023. Four hundred and seventy consenting adolescents aged 10-19 years were enrolled. Urinalysis including urine filtration was employed to confirm haematuria and detect urogenital schistosomiasis (UGS) among the participants. For females with heavy infections (≥ 50 eggs/10 ml urine), a gynaecologist performed colposcopy examinations, complemented by acetic acid and Lugol's iodine staining to assess for female genital schistosomiasis (FGS) lesions or other related reproductive health conditions. Socio-demographic data, including information on potential risk factors, were systematically collected using the Kobo ToolBox software, following gender-sensitive data collection guidelines. Data were analysed using SPSS version 25, incorporating descriptive statistics, multinomial logistic regression, odds ratios, and significance testing. RESULTS: Among the 470 adolescents (52.8% females, 47.2% males) examined, an overall UgS prevalence of 14.5% was observed, with an average of 5.25 eggs per 10 ml of urine. Females had a slightly higher prevalence (16.1%), and 7.5% had heavy infections. Although gender differences in infection rates were not statistically significant, males had slightly higher odds of infection (OR: 1.332; 95% CI: 0.791-2.244; p-value: 0.280). Adolescents aged 10-14 had the highest prevalence, with significantly increased odds of infection (OR: 1.720; 95% CI: 1.012-2.923; p-value: 0.045). Colposcopy examinations of females with heavy infections revealed FGS lesions and co-infections with Trichomonas vaginalis. Haematuria, though prevalent (24.6%), was not the sole indicator, as those without it faced significantly higher odds of infection (OR: 2.924; 95% CI: 1.731-4.941; p-value: 0.000). Dysuria and genital itching/burning sensation were other UgS and FGS associated symptoms. Direct water contact was associated with higher infection odds (OR: 2.601; 95% CI: 1.007-6.716; p-value: 0.048). Various risk factors were associated with UgS. CONCLUSION: The study highlights the need for a comprehensive Urogenital Schistosomiasis (UGS) control strategy that includes secondary school adolescents, emphasizes risk factor management, promotes safe water practices, and raises awareness about UGS and Female Genital Schistosomiasis (FGS) among adolescents, thus improving control efforts and mitigating this health challenge in the region.


Subject(s)
Schistosomiasis haematobia , Male , Child , Humans , Female , Adolescent , Child, Preschool , Young Adult , Adult , Animals , Schistosomiasis haematobia/diagnosis , Schistosomiasis haematobia/epidemiology , Cross-Sectional Studies , Hematuria/epidemiology , Nigeria/epidemiology , Genitalia, Female , Prevalence , Water , Schistosoma haematobium
13.
PLoS One ; 19(4): e0300335, 2024.
Article in English | MEDLINE | ID: mdl-38564514

ABSTRACT

During the COVID-19 pandemic, HIV programs scaled up differentiated service delivery (DSD) models for people living with HIV (PLHIV). We evaluated the effects of COVID-19 on HIV service delivery and viral suppression in facilities in Northern Nigeria, and determined factors associated with viral suppression among adolescents and adults. We analysed a cross-sectional survey data from facility heads, and retrospective, routinely collected patient data from 63 facilities for PLHIV ≥10 years old in care between April 2019-March 2021, defining study periods as "pre-COVID-19" (before April 2020) and "during COVID-19" (after April 2020). For the pre-COVID and the COVID-19 periods we compared uptake of antiretroviral therapy (ART) refills of ≥3 months (MMD3), and ≥6 months (MM6), missed appointments, viral load (VL) testing, VL testing turnaround time (TAT) and viral suppression among those on ART for ≥6 months using two proportions Z-test and t-tests. We fit a multivariable logistic regression model to determine factors associated with maintaining or achieving viral suppression. Of 84,776 patients, 58% were <40 years, 67% were female, 55% on ART for >5 years, 93% from facilities with community-based ART refill, a higher proportion were on MMD3 (95% versus 74%, p<0.001) and MMD6 (56% versus 22%, p<0.001) during COVID-19 than pre-COVID-19, and a higher proportion had VL testing during COVID-19 (55,271/69,630, [84%]) than pre-COVID-19 (47,747/68,934, [73%], p<0.001). Viral suppression was higher during COVID-19 pandemic compared to the pre-COVID era (93% [51,196/55,216] versus 91% [43,336/47,728], p<0.001), and there was a higher proportion of missed visits (40% [28,923/72,359] versus 39% [26,304/67,365], p<0.001) and increased VL TAT (mean number of days: 38 versus 36, p<0.001) during COVID-19 pandemic and pre-COVID period respectively. Factors associated with maintaining or achieving suppression during COVID-19 were receiving MMD3 and MMD6 refills (OR: 2.8 [95% CI: 2.30-3.47] and OR: 6.3 [95% CI: 5.11-7.69], respectively) and attending clinics with community-based ART refill (OR: 1.6 [95% CI: 1.39-1.87]). The program in Northern Nigeria demonstrated resilience during the COVID-19 pandemic and adoption of MMD had a positive impact on HIV care. Though VL TAT and missed clinic visits slightly increased during the pandemic, VL testing improved and viral suppression moved closer to 95%. Adoption of MMD and community-based models of care at scale are recommended for future pandemic preparedness.


Subject(s)
Anti-HIV Agents , COVID-19 , HIV Infections , Adult , Adolescent , Humans , Female , Child , Male , Pandemics , Retrospective Studies , Nigeria/epidemiology , Cross-Sectional Studies , COVID-19/epidemiology , HIV Infections/drug therapy , HIV Infections/epidemiology , Viral Load , Anti-HIV Agents/therapeutic use , Anti-HIV Agents/pharmacology
14.
PLoS One ; 19(4): e0296301, 2024.
Article in English | MEDLINE | ID: mdl-38564649

ABSTRACT

Apart from the morbidity and mortality, the Coronavirus disease 2019 (COVID-19) pandemic has increased the predisposition of households in Nigeria to forgone care, thereby increasing their vulnerability to adverse health consequences. Since there is no previous study in Nigeria on the evolution of pandemic-related forgone care and its drivers, our study assess the evolution of the problem using descriptive and nationally representative panel data analyses. We found about a 30% prevalence of forgone care during the lockdown, which declined progressively afterwards, dropping by 69.50 percentage points between April 2020 and April 2022. This decline produced a surge in households needing care from about 35.00% in the early pandemic to greater than 50%, beginning in early 2021. The forgone care was primarily due to financial hindrances, movement restrictions, and supply-side disruptions. Household socioeconomic factors such as income loss had 2.74 [95%CI: 1.45-5.17] times higher odds of forgone care, job loss, food insecurity, and poverty were 87% (OR: 1.87 [95%CI: 1.25-2.79]), 60% (OR: 1.60 [95%CI: 1.12-2.31]) and 76% (OR: 1.76 [95%CI: 1.12-2.75]) more likely to predispose households to forgone care, respectively. Also, geographical location, such as the South-South zone, induced 1.98 [95%CI: 1.09-3.58] times higher odds of forgone care than North-Central. A married female household head increased the odds by 6.07 [95%CI: 1.72-21.47] times compared with an unmarried female head. However, having a married household head, social assistance, and North-East or North-West zone compared with North-Central increased the chance of accessing care by 69% (OR 0.31 [95%CI: 0.16-0.59]), 59%,(OR 0.41 [95%CI: 0.21-0.77]), 72% (OR 0.28 [95%CI: 0.15-0.53]) and 64% (OR 0.36 [95%CI: 0.20-0.65]), respectively. Non-communicable diseases, disability, old age, large household size and rural-urban location did not affect the forgone care. Our study highlights the need to strengthen Nigeria's health system, create policies to promote healthcare accessibility and prepare the country for future pandemic challenges.


Subject(s)
COVID-19 , Pandemics , Humans , Female , Nigeria/epidemiology , COVID-19/epidemiology , Communicable Disease Control , Family Characteristics
15.
PLoS One ; 19(4): e0295352, 2024.
Article in English | MEDLINE | ID: mdl-38568955

ABSTRACT

INTRODUCTION: The burden and impact of neck pain is high in African countries including Nigeria. This study investigated the occupational biomechanical and occupational psychosocial factors associated with neck pain intensity, neck disability and sick leave amongst construction labourers in an urban Nigerian population. METHODS: This cross-sectional study measured clinical neck pain outcomes, occupational biomechanical factors, and occupational psychosocial factors. Descriptive, and univariate/multivariate inferential statistical analyses were conducted. RESULTS: Significant independent factors associated with neck pain intensity were order and pace of tasks being dependent on others (ß = 0.35; p<0.0001); inability to take breaks in addition to scheduled breaks (ß = 0.25; p<0.0001); inability to work because of unexpected events (ß = 0.21; p<0.0001); inability to control the order and pace of tasks (ß = 0.20; p<0.0001); and weight of load (ß = 0.17; p<0.0001); accounting for 53% of the variance in neck pain intensity. Significant independent factors associated with neck disability were weight of load (ß = 0.30; p<0.0001); duration of load carriage (ß = 0.16; p = 0.01); working under time pressure/deadlines (ß = 0.16; p = 0.02); and accounting for 20% of the variance in neck disability. Significant independent factor associated with sick leave was duration of load carriage (ß = 0.15; p = 0.04), in a non-significant regression model explaining -4% of the variance in sick leave. Addition of pain intensity significantly explained more variance in neck disability (31.0%) but less variance in sick leave (-5%), which was not statistically significant (F (10, 190) = 0.902, p = 0.533). CONCLUSIONS: Occupational biomechanical factors may be more important than occupational psychosocial factors in explaining neck disability and sick leave. In contrast, occupational psychosocial factors may be more important than occupational biomechanical factors in explaining neck pain intensity in this population in Nigeria.


Subject(s)
Neck Pain , Sick Leave , Humans , Neck Pain/epidemiology , Cross-Sectional Studies , Pain Measurement , Nigeria/epidemiology
16.
BMC Health Serv Res ; 24(1): 422, 2024 Apr 03.
Article in English | MEDLINE | ID: mdl-38570839

ABSTRACT

BACKGROUND: The COVID-19 pandemic presented a myriad of challenges for the health workforce around the world due to its escalating demand on service delivery. A motivated health workforce is critical to effectual emergency response and in some settings, incentivizing health workers motivates them and ensures continuity in the provision of health services. We describe health workforce experiences with incentives and dis-incentives during the COVID-19 response in the Democratic Republic of Congo (DRC), Senegal, Nigeria, and Uganda. METHODS: This is a multi-country qualitative research study involving four African countries namely: DRC, Nigeria, Senegal, and Uganda which assessed the workplace incentives instituted in response to the COVID-19 pandemic. Key informant interviews (n = 60) were conducted with staff at ministries of health, policy makers and health workers. Interviews were virtual using the telephone or Zoom. They were audio recorded, transcribed verbatim, and analyzed thematically. Themes were identified and quotes were used to support findings. RESULTS: Health worker incentives included (i) financial rewards in the form of allowances and salary increments. These motivated health workers, sustaining the health system and the health workers' efforts during the COVID-19 response across the four countries. (ii) Non-financial incentives related to COVID-19 management such as provision of medicines/supplies, on the job trainings, medical care for health workers, social welfare including meals, transportation and housing, recognition, health insurance, psychosocial support, and supervision. Improvised determination and distribution of both financial and non-financial incentives were common across the countries. Dis-incentives included the lack of personal protective equipment, lack of transportation to health facilities during lockdown, long working hours, harassment by security forces and perceived unfairness in access to and inadequacy of financial incentives. CONCLUSION: Although important for worker motivation, financial and non-financial incentives generated some dis-incentives because of the perceived unfairness in their provision. Financial and non-financial incentives deployed during health emergencies should preferably be pre-determined, equitably and transparently provided because when arbitrarily applied, these same financial and non-financial incentives can potentially become dis-incentives. Moreover, financial incentives are useful only as far as they are administered together with non-financial incentives such as supportive and well-resourced work environments. The potential negative impacts of interventions such as service delivery re-organization and lockdown within already weakened systems need to be anticipated and due precautions exercised to reduce dis-incentives during emergencies.


Subject(s)
COVID-19 , Motivation , Humans , COVID-19/epidemiology , Health Workforce , Nigeria/epidemiology , Democratic Republic of the Congo/epidemiology , Senegal , Uganda/epidemiology , Pandemics , Emergencies , Communicable Disease Control
17.
PLoS One ; 19(4): e0289190, 2024.
Article in English | MEDLINE | ID: mdl-38603727

ABSTRACT

The emergence and spread of ß-lactamase-producing Enterobacteriaceae poses a significant threat to public health, necessitating the rapid detection and investigation of the molecular epidemiology of these pathogens. We modified a multiplex real-time (RT)-PCR to concurrently detect ß-lactamase genes (blaCTX-M, blaTEM, and blaSHV) and Enterobacteriaceae 16S ribosomal RNA. qPCR probes and primers were validated using control isolates, and the sensitivity and specificity assessed. The optimised multiplex qPCR was used to screen 220 non-clinical Enterobacteriaceae from food animals and in-contact humans in Southeast Nigeria selected on cefotaxime-supplemented agar plates. Binary logistic regression was used to explore factors associated with the presence of the blaTEM and blaSHV genes in these isolates, and a subset of isolates from matched sampling sites and host species were whole genome sequenced, and their antimicrobial resistance (AMR) and plasmid profiles determined. The sensitivity and specificity of the qPCR assay was 100%. All isolates (220/220) were positive for Enterobacteriaceae ribosomal 16S rRNA and blaCTX-M, while 66.4% (146/220) and 9% (20/220) were positive for blaTEM and blaSHV, respectively. The prevalence of blaTEM and blaSHV varied across different sampling sites (farm, animal market and abattoirs). Isolates from Abia state were more likely to harbour blaTEM (OR = 2.3, p = 0.04) and blaSHV (OR = 5.12,p = 0.01) than isolates from Ebonyi state; blaTEM was more likely to be detected in isolates from food animals than humans (OR = 2.34, p = 0.03), whereas the reverse was seen for blaSHV (OR = 7.23, p = 0.02). Furthermore, Klebsiella and Enterobacter isolates harboured more AMR genes than Escherichia coli, even though they were isolated from the same sample. We also identified pan resistant Klebsiella harbouring resistance to ten classes of antimicrobials and disinfectant. Therefore, we recommend ESKAPE pathogens are included in AMR surveillance in future and suggest qPCRs be utilised for rapid screening of Enterobacteriaceae from human and animal sources.


Subject(s)
Enterobacteriaceae , beta-Lactamases , Animals , Humans , beta-Lactamases/genetics , Nigeria/epidemiology , Molecular Epidemiology , RNA, Ribosomal, 16S/genetics , Escherichia coli/genetics , Anti-Bacterial Agents/pharmacology , Microbial Sensitivity Tests
18.
Sci Total Environ ; 927: 172245, 2024 Jun 01.
Article in English | MEDLINE | ID: mdl-38604368

ABSTRACT

Hydrogeomorphic changes, encompassing erosion, waterlogging, and siltation, disproportionately threaten impoverished rural communities. Yet, they are often marginalized in discussions of disasters. This oversight is especially concerning as vulnerable households with limited healthcare access are most susceptible to related diseases and displacement. However, our current understanding of how these risks intersect remains limited. We explore the complex relationships between hydrogeomorphic hazards, malaria incidence, and poverty in Nigeria. Through spatial analyses we expand traditional boundaries, incorporating factors such as healthcare access, migration patterns, dam locations, demographics, and wealth disparities into a unified framework. Our findings reveal a stark reality: most residents in hydrogeomorphic hotspots live in poverty (earnings per person ≤$1.25/day), face elevated malaria risks (80 % in malaria hotspots), reside near dams (59 %), and struggle with limited healthcare access. Moreover, exposure to hydrogeomorphic hotspots could double by 2080, affecting an estimated 5.8 million Nigerians. This forecast underscores the urgent need for increased support and targeted interventions to protect those living in poverty within these hazardous regions. In shedding light on these dynamics, we expose and emphasise the pressing urgency of the risks borne by the most vulnerable populations residing in these regions-communities often characterised by limited wealth and resilience.


Subject(s)
Malaria , Poverty , Nigeria/epidemiology , Malaria/epidemiology , Humans , Epidemics , Rural Population
19.
Medicine (Baltimore) ; 103(15): e37747, 2024 Apr 12.
Article in English | MEDLINE | ID: mdl-38608091

ABSTRACT

Mistreatment in medical education encompasses various forms of abusive behavior, often indicating a disregard for students' dignity and interfering with the learning process. This review paper aims to investigate the prevalence, patterns, and correlates of medical student mistreatment in Nigerian medical education and shed light on its impact on students' well-being. A literature search was conducted in August 2023 using Medline, Google Scholar, and Web of Science databases to identify relevant studies on the mistreatment of Nigerian medical students. Inclusion criteria encompassed all studies written in English, regardless of study design, while editorials, reviews, and opinion articles were excluded. Six studies with a total sample size of 1432 were included in the review. The review revealed high mistreatment rates, ranging from 46% to 91%, with verbal abuse being the most common form. Male students were more likely to experience mistreatment, while females had higher rates of sexual abuse. Perpetrators included male and female healthcare professionals, with consultants and resident doctors as common perpetrators. Age and study level were associated with mistreatment experiences. Consequences of mistreatment included emotional distress, depression, loss of self-confidence, academic disillusionment, substance abuse, and suicidal thoughts. Reporting rates were low due to a lack of awareness, fear of reprisal, and perceived futility. The findings underscore the need for institutions to create a supportive environment, raise awareness of available support systems, and implement policies to prevent mistreatment. Future research should focus on larger-scale studies with diverse samples and longitudinal designs to address limitations in the current literature.


Subject(s)
Students, Medical , Humans , Female , Male , Nigeria/epidemiology , Prevalence , Black People , Databases, Factual
20.
BMC Public Health ; 24(1): 1028, 2024 Apr 12.
Article in English | MEDLINE | ID: mdl-38609913

ABSTRACT

BACKGROUND: Most previous clinical studies investigating the connection between prenatal anaemia and postpartum haemorrhage (PPH) have reported conflicting results. OBJECTIVES: We examined the association between maternal prenatal anaemia and the risk of PPH in a large cohort of healthy pregnant women in five health institutions in Lagos, Southwest Nigeria. METHODS: This was a prospective cohort analysis of data from the Predict-PPH study that was conducted between January and June 2023. The study enrolled n = 1222 healthy pregnant women giving birth in five hospitals in Lagos, Nigeria. The study outcome, WHO-defined PPH, is postpartum blood loss of at least 500 milliliters. We used a multivariable logistic regression model with a backward stepwise conditional approach to examine the association between prenatal anaemia of increasing severity and PPH while adjusting for confounding factors. RESULTS: Of the 1222 women recruited to the Predict-PPH study between January and June 2023, 1189 (97·3%) had complete outcome data. Up to 570 (46.6%) of the enrolled women had prenatal anaemia while 442 (37.2%) of those with complete follow-up data had WHO-defined PPH. After controlling for potential confounding factors, maternal prenatal anaemia was independently associated with PPH (adjusted odds ratio = 1.37, 95% confidence interval: 1.05-1.79). However, on the elimination of interaction effects of coexisting uterine fibroids and mode of delivery on this association, a sensitivity analysis yielded a lack of significant association between prenatal anaemia and PPH (adjusted odds ratio = 1.27, 95% confidence interval: 0.99-1.64). We also recorded no statistically significant difference in the median postpartum blood loss in women across the different categories of anaemia (P = 0.131). CONCLUSION: Our study revealed that prenatal anaemia was not significantly associated with PPH. These findings challenge the previously held belief of a suspected link between maternal anaemia and PPH. This unique evidence contrary to most previous studies suggests that other factors beyond prenatal anaemia may contribute more significantly to the occurrence of PPH. This highlights the importance of comprehensive assessment and consideration of various maternal health factors in predicting and preventing this life-threatening obstetric complication.


Subject(s)
Anemia , Postpartum Hemorrhage , Pregnancy , Humans , Female , Nigeria/epidemiology , Postpartum Hemorrhage/epidemiology , Prospective Studies , Anemia/epidemiology , Family , Vitamins
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