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1.
Contraception ; 111: 3-21, 2022 07.
Artículo en Inglés | MEDLINE | ID: mdl-35525287

RESUMEN

OBJECTIVE: To identify and synthesize original research on contraceptive user values, preferences, views, and concerns about specific family planning methods, as well as perspectives from health workers. STUDY DESIGN: We conducted a systematic review of global contraceptive user values and preferences. We searched 10 electronic databases for qualitative and quantitative studies published from 2005 to 2020 and extracted data in duplicate using standard forms. RESULTS: Overall, 423 original research articles from 93 countries among various groups of end-users and health workers in all 6 World Health Organization regions and all 4 World Bank income classification categories met inclusion criteria. Of these, 250 (59%) articles were from high-income countries, mostly from the United States of America (n = 139), the United Kingdom (n = 29), and Australia (n = 23). Quantitative methods were used in 269 articles, most often cross-sectional surveys (n = 190). Qualitative interviews were used in 116 articles and focus group discussions in 69 articles. The most commonly reported themes included side effects, effectiveness, and ease/frequency/duration of use. Interference in sex and partner relations, menstrual effects, reversibility, counseling/interactions with health workers, cost/availability, autonomy, and discreet use were also important. Users generally reported satisfaction with (and more accurate knowledge about) the methods they were using. CONCLUSIONS: Contraceptive users have diverse values and preferences, although there is consistency in core themes across settings. Despite the large body of literature identified and relevance to person-centered care, varied reporting of findings limited robust synthesis and quantification of the review results.


Asunto(s)
Anticoncepción , Servicios de Planificación Familiar , Anticonceptivos , Consejo , Estudios Transversales , Humanos , Estados Unidos
2.
Contraception ; 111: 61-70, 2022 07.
Artículo en Inglés | MEDLINE | ID: mdl-35526598

RESUMEN

OBJECTIVE: We sought to systematically review the literature on health workers' values and preferences related to contraceptive methods. STUDY DESIGN: As part of a larger review, we searched ten electronic databases for published articles from January 1, 2005 through July 27, 2020. We included studies that reported qualitative or quantitative data from the perspective of health workers providing family planning services globally. RESULTS: Forty-one studies met our inclusion criteria. These studies included 12,643 health workers and were conducted in 27 countries. Health worker values and preferences for contraceptive methods were affected by factors related to contraceptive method characteristics (e.g., bleeding pattern and convenience), the contraceptive user (e.g., medical history, parity), and the health worker themselves (e.g., training, environment). Differences were also noted between various professions/specialties (e.g., comfort level with contraceptive methods, depth of experience). While contraceptive counseling and provision were influenced by health worker values and preferences, they were also affected by health worker misconceptions and biases. CONCLUSION: Health worker values and preferences for contraception are affected by the client's history, medical eligibility, and the health worker context. Provision of contraception that is affected by harmful bias towards certain populations or about certain methods can negatively affect patient-centered care. Future work should address knowledge gaps and health worker biases by improving and standardizing education and training globally, to ensure high-quality, rights-based, and patient-centered contraceptive services.


Asunto(s)
Anticoncepción , Servicios de Planificación Familiar , Anticoncepción/métodos , Anticonceptivos , Femenino , Personal de Salud , Humanos , Atención Dirigida al Paciente , Embarazo
3.
Glob Health Sci Pract ; 10(1)2022 02 28.
Artículo en Inglés | MEDLINE | ID: mdl-35294382

RESUMEN

INTRODUCTION: The transition from paper to digital systems requires quality assurance of the underlying content and application of data standards for interoperability. The World Health Organization (WHO) developed digital adaptation kits (DAKs) as an operational and software-neutral mechanism to translate WHO guidelines into a standardized format that can be more easily incorporated into digital systems. METHODS: WHO convened health program area and digital leads, reviewed existing approaches for requirements gathering, mapped to established standards, and incorporated research findings to define DAK components. RESULTS: For each health domain area, the DAKs distill WHO guidelines to specify the health interventions, personas, user scenarios, business process workflows, core data elements mapped to terminology codes, decision-support logic, program indicators, and functional and nonfunctional requirements. DISCUSSION: DAKs aim to catalyze quality of care and facilitate data use and interoperability as part of WHO's vision of SMART (Standards-based, Machine-readable, Adaptive, Requirements-based, and Testable) guidelines. Efforts will be needed to strengthen a collaborative approach for the uptake of DAKs within the local digital ecosystem and national health policies.


Asunto(s)
Ecosistema , Salud Global , Política de Salud , Humanos , Organización Mundial de la Salud
5.
Front Glob Womens Health ; 2: 735281, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-34816244

RESUMEN

Among the 1.9 billion women of reproductive age worldwide in 2019, 1.1 billion need family planning and 270 million have an unmet need for contraception. For women and adolescent girls living with human immunodeficiency virus (HIV), using effective contraception reduces the mother-to-child transmission of HIV by preventing unintended pregnancies and enabling the planning and safer conception of desired pregnancies with optimal maternal and child health outcomes. The World Health Organization (WHO) recommends that sexual and reproductive health services, including contraception, may be integrated within HIV services. Integration is associated with increased offers and uptake of sexual and reproductive health services, including contraception, which is likely to result in improved downstream clinical outcomes. Integrating HIV and sexual and reproductive health services has been found to improve access, the quality of antenatal care and nurse productivity while reducing stigma and without compromising uptake of care. Research is encouraged to identify approaches to integration that lead to better uptake of sexual and reproductive health services, including contraception. Implementation research is encouraged to evaluate different strategies of integration in different health systems and social contexts; such research should include providing contraception, including long-acting contraception, in the context of less frequent clinical and ART refill visits.

6.
Sex Reprod Health Matters ; 29(1): 1913787, 2021 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-33949283

RESUMEN

There is limited information on contraceptive values and preferences of sex workers. We conducted a mixed-method study to explore contraceptive values and preferences among sex workers. We conducted an online survey with individuals from 38 countries (n = 239), 6 focus group discussions (FGD, n = 68) in Zimbabwe, and 12 in-depth phone interviews (IDI) across 4 world regions, in June and July of 2019. Participants were asked about awareness of contraceptives, methods they had used in the past, and the determinants of their choices. Differences between respondents from high-, low- and middle- income countries were examined. Qualitative data were analysed thematically. Survey participants reported an awareness of modern contraceptive methods. FGDs found that younger women had lower awareness. Reports of condomless sex were common and modern contraceptive use was inconsistent. Determinants of contraceptive choices differed by setting according to results of the survey, FGD, and IDI. Regardless of country income level, determinants of contraceptive choices included ease of use, ease of access to a contraceptive method, and fewer side effects. Healthcare provider attitudes, availability of methods, and clinic schedules were important considerations. Most sex workers are aware of contraceptives, but barriers include male partners/clients, side effects, and health system factors such as access and clinic attitudes towards sex workers.


Asunto(s)
Trabajadores Sexuales , Anticoncepción , Conducta Anticonceptiva , Servicios de Planificación Familiar , Femenino , Humanos , Masculino , Sexo Inseguro
7.
Contraception ; 103(5): 291-304, 2021 05.
Artículo en Inglés | MEDLINE | ID: mdl-33548267

RESUMEN

BACKGROUND: Immediate contraceptive initiation, including start of a method before abortion completion, is a convenient option for women seeking abortion care. OBJECTIVES: To evaluate the effect of systemic hormonal contraception initiation on medical abortion effectiveness and the safety of hormonal contraceptive methods following abortion. DATA SOURCES: PubMed, Popline, Cochrane Library, and Clinicaltrials.gov. STUDY ELIGIBILITY CRITERIA: Studies that assessed medical abortion effectiveness after systemic hormonal contraception initiation and the safety of hormonal contraception initiation after abortion. PARTICIPANTS: Pregnant persons undergoing or who had recently undergone an abortion. INTERVENTIONS: Initiation of systemic hormonal contraception post abortion or on the day of the first pill of the medical abortion. STUDY APPRAISAL AND SYNTHESIS METHODS: We assessed study quality using the US Preventive Services Task Force evidence grading system. We created narrative summaries and calculated pooled relative risks when appropriate. RESULTS: We identified 16 studies for inclusion, 7 randomized controlled trials, and 9 cohorts. Nine studies assessed medical abortion effectiveness with hormonal contraception initiation and generally found no decreased risk of abortion success or increased risk of additional treatment. One fair-quality study reported a small increase in ongoing pregnancy rate with immediate depot medroxyprogesterone (DMPA) compared with delayed DMPA initiation (3.6% vs 0.9%, risk difference 2.7%, 90% confidence interval 0.4-5.6). We identified no bleeding-related safety concerns following hormonal contraception initiation after medical or surgical abortion. Pooled results were too imprecise to draw firm conclusions. LIMITATIONS: Included studies were poor or fair quality and primarily in high-income or upper-middle-income settings. CONCLUSIONS: Abortion effectiveness did not differ between immediate vs delayed initiation of most systemic hormonal contraceptive methods after a first trimester medical abortion. However, immediate DMPA initiation did show increased ongoing pregnancy. Bleeding effects with hormonal contraception initiation postabortion appeared minimal. IMPLICATIONS: Initiating a hormonal contraceptive method after an abortion and as early as the same day as the first pill of the medical abortion is an option if contraception is desired. The slight increase in ongoing pregnancy with immediate DMPA initiation highlights the importance of information provision during contraceptive counseling.


Asunto(s)
Aborto Inducido , Anticoncepción Hormonal , Anticoncepción , Servicios de Planificación Familiar , Femenino , Humanos , Embarazo
8.
Front Reprod Health ; 3: 657728, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-36304029

RESUMEN

Introduction: Offering HIV testing services (HTS) within sexual and reproductive health (SRH) services is a priority, especially for women who have a substantial risk. To reach women with HIV who do not know their status and prevent mother-to-child HIV transmission, the World Health Organization (WHO) recommends routinely offering HTS as part of family planning (FP) service delivery in high HIV burden settings. We conducted a landscape analysis to assess HTS uptake and HIV positivity in the context of FP/SRH services. Assessment of Research and Programs: We searched records from PubMed, four gray literature databases, and 13 organization websites, and emailed 24 organizations for data on HTS in FP/SRH services. We also obtained data from International Planned Parenthood Federation (IPPF) affiliates in Eswatini, Kenya, Lesotho, Malawi, Namibia, Uganda, Zambia, and Zimbabwe. Unique programs/studies from records were included if they provided data on, or barriers/facilitators to, offering HTS in FP/SRH. Overall, 2,197 records were screened and 12 unique programs/studies were eligible, including 10 from sub-Saharan Africa. Four reported on co-delivery of SRH services (including FP), with reported HTS uptake between 17 and 94%. Six reported data on HTS in FP services: four among general FP clients; one among couples; and one among female sex workers, adolescent girls, and young women. Two of the six reported HTS uptake >50% (51%, 419/814 Kenya; 63%, 5,930/9,439 Uganda), with positivity rates of 2% and 4.1%, respectively. Uptake was low (8%, 74/969 Kenya) in the one FP program offering pre-exposure prophylaxis. In the IPPF program, seven countries reported HTS uptake in FP services and ranged from 4% in Eswatini to 90% in Lesotho; between 0.6% (Uganda) and 8% (Eswatini) of those tested were HIV positive. Implications: Data on providing HTS in FP/SRH service delivery were sparse and HTS uptake varied widely across programs. Actionable Recommendations: As countries expand HTS in FP/SRH appropriate to epidemiology, they should ensure data are reported and monitored for progress and impact.

9.
Am J Obstet Gynecol ; 223(1): 24-35.e3, 2020 07.
Artículo en Inglés | MEDLINE | ID: mdl-31954154

RESUMEN

OBJECTIVE: To systematically review the literature to determine if extended use of intrauterine devices, including the copper or levonorgestrel intrauterine device, beyond approved durations is effective and safe for preventing pregnancy. STUDY DESIGN: We searched PubMed, Embase, Cumulative Index to Nursing and Allied Health Literature, and Global Index Medicus from inception through June 2019. We considered primary studies of women using the T380A copper or currently available levonorgestrel intrauterine devices past their approved duration (extended use). The primary outcome was pregnancy. Safety outcomes included adverse events and side effects that led to discontinuation. We abstracted study data into evidence tables and assessed study quality as related to the risk of bias, precision, and external validity. For each intrauterine device type, we calculated a pooled pregnancy rate during the first 2 years of extended use using the Poisson inverse variance method. RESULTS: Of 4068 studies identified by our search, 4 good-to-poor-quality studies of the 52 mg levonorgestrel intrauterine device (approved for 5 years), with a total of 2098 women starting extended use, and 2 good-to-fair-quality studies of the T380A copper intrauterine device (approved for 10 years), with 245 women starting extended use, met inclusion criteria. For the levonorgestrel intrauterine device, the pooled pregnancy rate was 0.02 per 100 person-years (95% confidence interval, 0.00-0.45) in year 6, 0.03 per 100 person-years (95% confidence interval, 0.00-0.71) in year 7, and 0.02 per 100 person-years (95% confidence interval, 0.00-0.29) in years 6 and 7 combined. During this same time, annual rates of adverse events or discontinuation owing to side effects ranged from 0 to 3.7 per 100 participants. For the copper intrauterine device, the pooled pregnancy rate for years 11 and 12 was 0.0 per 100 person-years (95% confidence interval, 0.0-0.8), and annual rates of adverse events and discontinuation owing to side effects during extended use ranged from 0 to 4.6 per 100 participants. CONCLUSION: The available evidence suggests that rates of pregnancy, adverse events, and discontinuation owing to side effects during the first 2 years of extended use of the 52 mg levonorgestrel intrauterine device and the T380A copper intrauterine device are low and comparable to rates during approved duration of use. Data were limited in quantity and quality, and may not be generalizable to all intrauterine device users.


Asunto(s)
Dispositivos Intrauterinos Medicados , Agentes Anticonceptivos Hormonales/administración & dosificación , Diseño de Equipo , Femenino , Humanos , Dispositivos Intrauterinos de Cobre , Dispositivos Intrauterinos Medicados/efectos adversos , Levonorgestrel/administración & dosificación , Factores de Tiempo , Resultado del Tratamiento
10.
Contraception ; 101(2): 69-73, 2020 02.
Artículo en Inglés | MEDLINE | ID: mdl-31173733

RESUMEN

OBJECTIVE: Values and preferences of end users are critical considerations for any health guidelines. We sought to examine the literature about values and preferences for contraceptive methods to inform the World Health Organization (WHO) Medical eligibility criteria (MEC) and Selected practice recommendations (SPR) for contraception use. In this article, we present a detailed protocol and methods for this systematic review. STUDY DESIGN: We searched 10 electronic databases for articles published in a peer-reviewed journal from January 1, 2005 through December 31, 2017. Articles had to present qualitative or quantitative information about patients' and providers' values and preferences for contraceptive methods covered under the MEC and SPR guidelines. There were no language or study location restrictions. Citations were screened in duplicate and included articles underwent data abstraction using standardized forms. Study rigor was assessed using an 8-item measure developed by the Evidence Project for quantitative studies and an adapted CASP checklist for qualitative studies. DISCUSSION: We defined "values and preferences" broadly and designed our search and data extraction strategies accordingly. While this approach has strengths and limitations, we believe it captures the wide range of values and preferences of contraceptive end users and family planning providers that should be considered by WHO in guideline development. We anticipate findings will be useful to inform future research, programmatic, and policy decisions.


Asunto(s)
Anticoncepción/psicología , Anticoncepción/estadística & datos numéricos , Prioridad del Paciente , Servicios de Planificación Familiar , Humanos , Guías de Práctica Clínica como Asunto , Salud Reproductiva , Proyectos de Investigación , Revisiones Sistemáticas como Asunto , Organización Mundial de la Salud
11.
Eur J Contracept Reprod Health Care ; 24(2): 97-101, 2019 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-30870042

RESUMEN

OBJECTIVES: In some settings women are advised to return to the clinic after intrauterine contraceptive (IUC) placement, for a follow-up visit to check the strings and identify any expulsions. Our objective was to evaluate whether the number of follow-up visits to check the strings at the external cervical os after IUC placement predicts or prevents future expulsions. METHODS: This was a retrospective study conducted at the University of Campinas Medical School, Brazil. We reviewed the medical records of all women who used an IUC between January 1980 and December 2017, to identify women who had experienced IUC expulsion (N = 1974). We excluded women whose IUC was expelled more than once (n = 331) or after 10 years of use (n = 31). We fitted a generalised linear model of the time between IUC placement and expulsion, adjusting for several variables at expulsion. Significance was established at p < .05. RESULTS: Most expulsions (843/1612; 52.3%) occurred within the first 6 months after IUC placement and 691/1612 (42.9%) were within the first three months after placement. The adjusted model showed that the number of visits, the woman's age, and complaints of pain and bleeding during use were not significantly associated with and had no influence on expulsion. CONCLUSIONS: Our results indicate that after IUC insertion more than one follow-up visit within the first four to six months after placement is not necessary, as additional visits to check for IUC strings do not appear to reduce or predict future expulsion.


Asunto(s)
Cuidados Posteriores/estadística & datos numéricos , Expulsión de Dispositivo Intrauterino/etiología , Dispositivos Intrauterinos/efectos adversos , Adolescente , Adulto , Cuidados Posteriores/métodos , Brasil , Femenino , Humanos , Estudios Retrospectivos , Adulto Joven
12.
Int J Gynaecol Obstet ; 141(3): 287-294, 2018 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-29388678

RESUMEN

BACKGROUND: Combined oral contraceptives (COCs) containing various progestogens could be associated with differential risks for venous thromboembolism (VTE). OBJECTIVE: To evaluate the comparative risks of VTE associated with the use of low-dose (less than 50 µg ethinyl estradiol) COCs containing different progestogens. SEARCH STRATEGY: PubMed and the Cochrane Library were searched from database inception through September 15, 2016, by combining search terms for oral contraception and venous thrombosis. SELECTION CRITERIA: Studies reporting VTE risk estimates among healthy users of progestogen-containing low-dose COCs were included. DATA COLLECTION AND ANALYSIS: A random-effects model was used to generate pooled adjusted risk ratios and 95% confidence intervals; subgroup and sensitivity analyses assessed the impact of monophasic-COC use and study-level characteristics. MAIN RESULTS: There were 22 articles included in the analysis. The use of COCs containing cyproterone acetate, desogestrel, drospirenone, or gestodene was associated with a significantly increased risk of VTE compared with the use of levonorgestrel-containing COCs (pooled risk ratios 1.5-2.0). The analysis restricted to monophasic COC formulations with 30 µg of ethinyl estradiol yielded similar findings. After adjustment for study characteristics, the risk estimates were slightly attenuated. CONCLUSIONS: Compared with the use of levonorgestrel-containing COCs, the use of COCs containing other progestogens could be associated with a small increase in risk for VTE.


Asunto(s)
Anticonceptivos Orales Combinados/efectos adversos , Tromboembolia Venosa/inducido químicamente , Trombosis de la Vena/inducido químicamente , Anticonceptivos Orales Combinados/administración & dosificación , Etinilestradiol/administración & dosificación , Femenino , Humanos , Oportunidad Relativa , Progestinas/administración & dosificación , Riesgo
13.
Glob Health Sci Pract ; 5(4): 581-591, 2017 12 28.
Artículo en Inglés | MEDLINE | ID: mdl-29284696

RESUMEN

OBJECTIVE: The association between increased risk of HIV acquisition and use of progestin-only injectables (POIs) is controversial. We sought to compare the competing risks of maternal mortality and HIV acquisition with use of POIs using updated data on this association and considering an expanded number of African countries. METHODS: We designed a decision-analytic model to compare the benefits and risks of POIs on the competing risks of maternal mortality and HIV acquisition on life expectancy for women in 9 African countries. For the purposes of this analysis, we assumed that POIs were associated with an increased risk of HIV acquisition (hazards ratio of 1.4). Our primary outcome was life-years and the population was women of reproductive age (15-49 years) in these countries, who did not have HIV infection and were not currently planning a pregnancy. Probabilities for each variable included in the model, such as HIV incidence, access to antiretroviral therapy, and contraceptive prevalence, were obtained from the literature. Univariate and multivariate sensitivity analyses were performed to check model assumptions and explore how uncertainty in estimates would affect the model results. RESULTS: In all countries, discontinuation of POIs without replacement with an equally effective contraceptive method would result in decreased life expectancy due to a significant increase in maternal deaths. While the removal of POIs from the market would result in the prevention of some new cases of HIV, the life-years gained from this are mitigated due to the marked increase in neonatal HIV cases and maternal mortality with associated life-years lost. In all countries, except South Africa, typical-use contraceptive failure rates with POIs would need to exceed 39%, and more than half of women currently using POIs would have to switch to another effective method, for the removal of POIs to demonstrate an increase in total life-years. CONCLUSION: Women living in sub-Saharan Africa cope with both high rates of HIV infection and high rates of pregnancy-related maternal death relative to the rest of the world. Based on the most current estimates, our model suggests that removal of POI contraception from the market without effective and acceptable contraception replacement would have a net negative effect on maternal health, life expectancy, and mortality under a variety of scenarios.


Asunto(s)
Anticoncepción/efectos adversos , Anticonceptivos Femeninos/efectos adversos , Infecciones por VIH/epidemiología , Inyecciones/efectos adversos , Esperanza de Vida , Mortalidad Materna , Progestinas/efectos adversos , Adolescente , Adulto , África/epidemiología , Anticoncepción/métodos , Anticonceptivos Femeninos/administración & dosificación , Técnicas de Apoyo para la Decisión , Femenino , Humanos , Incidencia , Persona de Mediana Edad , Embarazo , Progestinas/administración & dosificación , Medición de Riesgo , Adulto Joven
14.
AIDS ; 31(7): 917-952, 2017 04 24.
Artículo en Inglés | MEDLINE | ID: mdl-28060009

RESUMEN

OBJECTIVE: To summarize published evidence on drug interactions between hormonal contraceptives and antiretrovirals. DESIGN: Systematic review of the published literature. METHODS: We searched PubMed, POPLINE, and EMBASE for peer-reviewed publications of studies (in any language) from inception to 21 September 2015. We included studies of women using hormonal contraceptives and antiretrovirals concurrently. Outcomes of interest were effectiveness of either therapy, toxicity, or pharmacokinetics. We used standard abstraction forms to summarize and assess strengths and weaknesses. RESULTS: Fifty reports from 46 studies were included. Most antiretrovirals whether used for therapy or prevention, have limited interactions with hormonal contraceptive methods, with the exception of efavirenz. Although depot medroxyprogesterone acetate is not affected, limited data on implants and combined oral contraceptive pills suggest that efavirenz-containing combination antiretroviral therapy may compromise contraceptive effectiveness of these methods. However, implants remain very effective despite such drug interactions. Antiretroviral plasma concentrations and effectiveness are generally not affected by hormonal contraceptives. CONCLUSION: Women taking antiretrovirals, for treatment or prevention, should not be denied access to the full range of hormonal contraceptive options, but should be counseled on the expected rates of unplanned pregnancy associated with all contraceptive methods, in order to make their own informed choices.


Asunto(s)
Antirretrovirales/administración & dosificación , Antirretrovirales/farmacología , Anticonceptivos Hormonales Orales/administración & dosificación , Anticonceptivos Hormonales Orales/farmacología , Interacciones Farmacológicas , Femenino , Humanos
15.
Int J Gynaecol Obstet ; 136(1): 2-5, 2017 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-28099711

RESUMEN

The postpartum period offers multiple opportunities for healthcare providers to assist with family planning decision making. However, there are also many changing factors during the first year after delivery that can affect family planning choices. Given that several different documents have addressed WHO guidance on postpartum family planning, the electronic WHO Postpartum Family Planning Compendium (http://srhr.org/postpartumfp) has been introduced. This resource integrates essential guidance on postpartum family planning for clinicians, program managers, and policy makers. The development of the Compendium included consultations with family planning experts, key international stakeholders, and web developers. Once the website had been created, user testing by family planning experts allowed for improvements to be made before the official launch. Future directions are adaptation of the website into a mobile application that can be more easily integrated to low-resource settings, and translation of the content into French and Spanish.


Asunto(s)
Servicios de Planificación Familiar/normas , Periodo Posparto , Guías de Práctica Clínica como Asunto , Anticoncepción , Países en Desarrollo , Femenino , Personal de Salud , Humanos , Embarazo , Organización Mundial de la Salud
17.
Contraception ; 95(2): 130-139, 2017 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-27771476

RESUMEN

BACKGROUND: Combined hormonal contraceptives (CHCs), containing estrogen and progestin, are associated with an increased risk of venous thromboembolism (VTE) and arterial thromboembolism (ATE) compared with nonuse. Few studies have examined whether nonoral formulations (including the combined hormonal patch, combined vaginal ring and combined injectable contraceptives) increase the risk of thrombosis compared with combined oral contraceptives (COCs). OBJECTIVES: The objectives were to examine the risk of VTE and ATE among women using nonoral CHCs compared to women using COCs. METHODS: We searched the PubMed database for all English language articles published from database inception through May 2016. We included primary research studies that examined women using the patch, ring or combined injectables compared with women using levonorgestrel-containing or norgestimate-containing COCs. Outcomes of interest included VTE (deep venous thrombosis or pulmonary embolism) or ATE (acute myocardial infarction or ischemic stroke). We assessed the quality of each individual piece of evidence using the system developed by the United States Preventive Services Task Force. RESULTS: Eight studies were identified that met inclusion criteria. Of seven analyses from six studies examining VTE among patch users compared with levonorgestrel- or norgestimate-containing COC users, two found a statistically significantly elevated risk among patch users (risk estimates 2.2-2.3), one found an elevated risk that did not meet statistical significance (risk estimate 2.0), and four found no increased risk. Of three studies examining VTE among ring users compared with levonorgestrel COC users, one found a statistically significantly elevated risk among patch users (risk estimate 1.9) and two did not. Two studies did not find an increased risk for ATE among women using the patch compared with norgestimate COCs. We did not identify any studies examining combined injectable contraceptives. CONCLUSION: Limited Level II-2 good to fair evidence demonstrated conflicting results on whether women using the patch or the ring have a higher risk of VTE than women using COCs. Evidence did not demonstrate an increased risk of ATE among women using the patch. Overall, any potential elevated risk likely represents a small number of events on a population level. Additional studies with standard methodology are needed to further clarify any associations and better understand mechanisms of hormone-induced thrombosis among users of nonoral combined hormonal contraception.


Asunto(s)
Anticonceptivos Orales Combinados/administración & dosificación , Anticonceptivos Orales Combinados/efectos adversos , Tromboembolia/inducido químicamente , Administración Cutánea , Adolescente , Adulto , Dispositivos Anticonceptivos Femeninos , Anticonceptivos Hormonales Orales/efectos adversos , Estrógenos/efectos adversos , Femenino , Humanos , Levonorgestrel/efectos adversos , Norgestrel/efectos adversos , Norgestrel/análogos & derivados , Progestinas/efectos adversos , Factores de Riesgo , Tromboembolia Venosa/inducido químicamente , Adulto Joven
18.
Glob Health Sci Pract ; 4(3): 506-10, 2016 09 28.
Artículo en Inglés | MEDLINE | ID: mdl-27688720

RESUMEN

Given recent updates to the postpartum contraception recommendations in the fifth edition of the Medical Eligibility Criteria for Contraceptive Use (MEC), published by the World Health Organization (WHO), the purpose of this qualitative study was to assess the extent to which national family planning policies in sub-Saharan African countries are in agreement with the WHO MEC, particularly with regard to postpartum contraceptive use. WHO headquarters sent questionnaires to country-level focal points to complete with their Ministry of Health counterparts. Between February and May 2016, 23 of 32 (72%) surveys were completed. All respondents reported that their countries had used the MEC document in the past, with most reporting that they had used the guidance as a reference (n = 20, 87%), for training purposes (n = 19, 83%), to change clinical practices (n = 17, 74%), and to develop national policies (n = 16, 70%). While many respondents (16, 70%) indicated their countries already include immediate postpartum intrauterine device insertion among breastfeeding women in their family planning policies, few reported currently allowing use of progestogen-only pills (n = 8, 35%) or implants (n = 8, 35%) during the immediate postpartum period (i.e., less than 48 hours after delivery) for breastfeeding women. A higher percentage of respondents indicated their countries allowed breastfeeding women the option of progestogen-only pills (n = 16, 70%) and implants (n = 13, 57%) between 48 hours and 6 weeks postpartum. Findings from this baseline assessment suggest that many countries may benefit from training and policy formulation support to adapt both new WHO MEC updates as well as existing recommendations from previous MEC revisions into national family planning guidelines.


Asunto(s)
Conducta Anticonceptiva , Anticoncepción/métodos , Servicios de Planificación Familiar , Adhesión a Directriz , Política de Salud , Selección de Paciente , Periodo Posparto , África del Sur del Sahara , Lactancia Materna , Anticonceptivos Orales , Estudios Transversales , Femenino , Humanos , Dispositivos Intrauterinos , Progestinas , Investigación Cualitativa , Encuestas y Cuestionarios , Organización Mundial de la Salud
19.
Contraception ; 94(3): 202-15, 2016 09.
Artículo en Inglés | MEDLINE | ID: mdl-26874275

RESUMEN

CONTEXT: Depot medroxyprogesterone acetate (DMPA), a progestogen-only contraceptive injectable, has traditionally been formulated as a crystalline suspension delivered intramuscularly (IM) at a dose of 150mg/1.0mL. A new, lower dose formulation of DMPA (104mg/0.65mL) has been developed for subcutaneous administration (SC). Given its increasing global availability and public health relevance, DMPA-SC was prioritized for inclusion as a new method referenced in the World Health Organization (WHO) Medical Eligibility Criteria for Contraceptive Use (MEC), 5th Edition. OBJECTIVE: This systematic review evaluated the published peer-reviewed literature regarding the safety of DMPA-SC among women with various characteristics or medical conditions. Results of this review informed the decision-making of a WHO Guideline Development Group in order to include recommendations on contraceptive eligibility within the revised MEC. METHODS: We searched PubMed and Cochrane Library databases to identify all relevant evidence published in peer-reviewed journals regarding the safety of DMPA-SC when used by women of reproductive age, particularly those with select characteristics or conditions specified in the MEC, from inception through June 2015. The quality of each individual study was assessed using the system for grading evidence developed by the United States Preventive Services Task Force. RESULTS: Fourteen studies met criteria for inclusion. Ten reported results relevant to DMPA users of varying age or with obesity, endometriosis or HIV; four compared the safety of DMPA-SC and DMPA-IM when used by general populations of healthy women. A randomized trial evaluating changes in bone mineral density among adult DMPA-SC and DMPA-IM users demonstrated no differences at 2years of follow-up. Limited evidence reported no consistent differences in weight change or bleeding patterns according to age; however, adolescents (<18years) were not included in any studies. Similar contraceptive efficacy, weight change, bleeding patterns and occurrence of other adverse effects among obese and nonobese DMPA-SC users were observed. Women with endometriosis using DMPA-SC over 6months had minimal decreases in bone mineral density, weight gain, few serious adverse events and experienced improved pain symptoms. Women living with HIV tolerated injection of DMPA-SC with rare complications. DMPA-SC and DMPA-IM also show therapeutic equivalence and similar effects on weight gain, changes in bleeding patterns and reports of other adverse effects when these different delivery systems were used by general populations of women. CONCLUSION: Evidence for use of DMPA-SC by women with select conditions and characteristics including age, obesity, endometriosis or HIV demonstrates that this method can generally be used safely in these contexts. Further, DMPA-SC and DMPA-IM appear to be therapeutically equivalent with similar safety profiles when used by healthy women.


Asunto(s)
Densidad Ósea/efectos de los fármacos , Anticonceptivos Femeninos/administración & dosificación , Acetato de Medroxiprogesterona/administración & dosificación , Aumento de Peso/efectos de los fármacos , Anticonceptivos Femeninos/efectos adversos , Preparaciones de Acción Retardada/administración & dosificación , Endometriosis/complicaciones , Femenino , Infecciones por VIH/complicaciones , Humanos , Inyecciones Intramusculares , Inyecciones Subcutáneas , Acetato de Medroxiprogesterona/efectos adversos , Obesidad/complicaciones , Dolor/inducido químicamente , Satisfacción del Paciente , Guías de Práctica Clínica como Asunto , Ensayos Clínicos Controlados Aleatorios como Asunto , Organización Mundial de la Salud
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