Effect of ABO blood group on asymptomatic, uncomplicated and placental Plasmodium falciparum infection: systematic review and meta-analysis.

BACKGROUND: Malaria clinical outcomes vary by erythrocyte characteristics, including ABO blood group, but the effect of ABO blood group on asymptomatic, uncomplicated and placental Plasmodium falciparum (P. falciparum) infection remains unclear. We explored effects of ABO blood group on asymptomatic, uncomplicated and placental falciparum infection in the published literature. METHODS: A systematic review and meta-analysis was performed using the preferred reporting items for systematic reviews and meta-analyses guidelines. Articles in Pubmed, Embase, Web of Science, CINAHL and Cochrane Library published before February 04, 2017 were searched without restriction. Studies were included if they reported P. falciparum infection incidence or prevalence, stratified by ABO blood group. RESULTS: Of 1923 articles obtained from the five databases (Embase = 728, PubMed = 620, Web of Science = 549, CINAHL = 14, Cochrane Library = 12), 42 met criteria for systematic review and 37 for meta-analysis. Most studies (n = 30) were cross-sectional, seven were prospective cohort, and five were case-control studies. Meta-analysis showed similar odds of uncomplicated P. falciparum infection among individuals with blood group A (summary odds ratio [OR] 0.96, 15 studies), B (OR 0.89, 15 studies), AB (OR 0.85, 10 studies) and non-O (OR 0.95, 17 studies) as compared to those with blood group O. Meta-analysis of four cohort studies also showed similar risk of uncomplicated P. falciparum infection among individuals with blood group non-O and those with blood group O (summary relative risk [RR] 1.03). Meta-analysis of six studies showed similar odds of asymptomatic P. falciparum infection among individuals with blood group A (OR 1.05), B (OR 1.03), AB (OR 1.23), and non-O (OR 1.07) when compared to those with blood group O. However, odds of active placental P. falciparum infection was significantly lower in primiparous women with non-O blood groups (OR 0.46, 95% confidence interval [CI] 0.23 - 0.69, I2 0.0%, three studies), particularly in those with blood group A (OR 0.41, 95% CI 0.003 - 0.82, I2 1.4%, four studies) than those with blood group O. CONCLUSIONS: This study suggests that ABO blood group may not affect susceptibility to asymptomatic and/or uncomplicated P. falciparum infection. However, blood group O primiparous women appear to be more susceptible to active placental P. falciparum infection.

Medicaid Expansion and Infant Mortality in the United States.

OBJECTIVES: To explore the effect of Medicaid expansion on US infant mortality rate. METHODS: We examined data from 2010 to 2016 and 2014 to 2016 to compare infant mortality rates in states and Washington, DC, that accepted the Affordable Care Act Medicaid expansion (Medicaid expansion states) and states that did not (non-Medicaid expansion states), stratifying data by race/ethnicity. RESULTS: Mean infant mortality rate in non-Medicaid expansion states rose (6.4 to 6.5) from 2014 to 2016 but declined in Medicaid expansion states (5.9 to 5.6). Mean difference in infant mortality rate in Medicaid expansion versus non-Medicaid expansion states increased from 0.573 (P = .08) in 2014 to 0.838 in 2016 (P = .006) because of smaller declines in non-Medicaid expansion (11.0%) than in Medicaid expansion (15.2%) states. The 14.5% infant mortality rate decline from 11.7 to 10.0 in African American infants in Medicaid expansion states was more than twice that in non-Medicaid expansion states (6.6%: 12.2 to 11.4; P = .012). CONCLUSIONS: Infant mortality rate decline was greater in Medicaid expansion states, with greater declines among African American infants. Future research should explore what aspects of Medicaid expansion may improve infant survival.

Depression in caregivers of status-naïve pediatric HIV patients participating in a status disclosure study in Haiti and the Dominican Republic: preliminary report.

A pilot study is underway to assess safety and acceptability of an intervention to disclose their HIV infection status to status-naïve pediatric antiretroviral therapy patients in Hispaniola [the island shared by Haiti and the Dominican Republic (DR)]. Of 22 Haiti and 47 DR caregivers recruited to date, 68.2% Haiti and 34.0% DR caregivers had clinically significant depressive symptomatology at the time of enrollment (p = 0.008). Depressive symptom prevalence was higher in Haiti caregivers who were female (81.3% vs. 0 in males; p = 0.02) and in DR caregivers who were patients' mothers (50.0%) or grandmothers (66.7%; 56.0% combined) than others (9.1%), (p < 0.001). Internalized stigma was more commonly reported by Haiti (85.7%) than DR (53.2%; p = 0.01) caregivers; 56.4% of Haiti and DR caregivers reporting internalized stigma vs. 26.1% of caregivers denying it had depressive symptoms (p = 0.02). Depression is common in Hispaniola caregivers possibly affecting disclosure timing. Study participation presents opportunities for addressing caregiver depression.

Asthma in underserved schoolchildren in Miami, Florida: results of a school- and community-based needs assessment.

OBJECTIVE: Asthma is the most common chronic condition in childhood and disproportionately impacts the poorer and ethnic minorities. The objectives of the study were to estimate the prevalence of asthma in Miami-Dade County (MDC) schoolchildren to aid case-finding and linkage to care. METHODS: We used the CDC Youth Risk Behavior Surveillance System (YRBSS) definition of possible asthma ("Ever told by a doctor or nurse that they had asthma and still had asthma") and analyzed data from four sources. These included the: (1)-MDC YRBSS 2009, (2)-MDC Health Connect Asthma Survey of school nurses (>2008), (3)-parents' survey in the five HealthConnect survey elementary schools with highest asthma prevalence, and (4)-focus group with parents of asthmatic children. RESULTS: (1)-MDC YRBSS data showed that 21.3% of high- and 21.4% of middle-school students had been diagnosed with possible asthma. Prevalence was the highest in African-American middle-school girls (26.9%). (2)-HealthConnect survey responders reported that 4.9% of the students in 131 MDC schools had possible asthma. Asthma prevalence was higher in elementary schools (median = 7.1%) and in low-income MDC zip codes. (3)-Of the parent survey responders, 24.9% indicated that their child had possible asthma, and 19.2% reported that their children had no usual source of care. (4)-Focus group participants reported frequent loss of Medicaid coverage for their children, landlords' indifference to the role of poorly maintained housing in asthma, and unmet needs regarding knowledge of health system navigation. CONCLUSIONS: Asthma may be common in MDC schoolchildren, particularly in poor communities. Formidable structural factors limit the caregivers' abilities to manage childhood asthma.

Disclosure of their HIV status to infected children: a review of the literature.

Since the introduction of highly active antiretroviral therapy (ART) in 1996, HIV-infected children often survive beyond adolescence. To assess worldwide trends in disclosure since ART was introduced, we reviewed articles that refer to disclosure of their status to HIV-infected children, and which described patient, health care provider and/or caregiver opinions about disclosure and/or reported the proportion of children who knew their diagnosis. Most studies (17 [55%]) were performed in low- or middle-income (LMI) countries. In the 21 articles that included information on whether the children knew their status, the proportion who knew ranged from 1.2 to 75.0% and was lower in LMI (median = 20.4%) than industrialized countries (43%; p = 0.04). LMI country study participants who knew their status tended to have learned it at older ages (median = 9.6 years) than industrialized country participants (median = 8.3 years; p = 0.09). The most commonly reported anticipated risks (i.e. emotional trauma to child and child divulging status to others) and benefits (i.e. improved ART adherence) of disclosure did not vary by the country's economic development. Only one article described and evaluated a disclosure process. Despite recommendations, most HIV-infected children worldwide do not know their status. Disclosure strategies addressing caregiver concerns are urgently needed.

Progress towards elimination of HIV mother-to-child transmission in the Dominican Republic from 1999 to 2011.

In 1999, prevention of mother-to-child transmission (pMTCT) using antiretrovirals was introduced in the Dominican Republic (DR). Highly active antiretroviral therapy (HAART) was introduced for immunosuppressed persons in 2004 and for pMTCT in 2008. To assess progress towards MTCT elimination, data from requisitions for HIV nucleic acid amplification tests for diagnosis of HIV infection in perinatally exposed infants born in the DR from 1999 to 2011 were analyzed. The MTCT rate was 142/1,274 (11.1%) in 1999-2008 and 12/302 (4.0%) in 2009-2011 (P < .001), with a rate of 154/1,576 (9.8%) for both periods combined. This decline was associated with significant increases in the proportions of women who received prenatal HAART (from 12.3% to 67.9%) and infants who received exclusive formula feeding (from 76.3% to 86.1%) and declines in proportions of women who received no prenatal antiretrovirals (from 31.9% to 12.2%) or received only single-dose nevirapine (from 39.5% to 19.5%). In 2007, over 95% of DR pregnant women received prenatal care, HIV testing, and professionally attended delivery. However, only 58% of women in underserved sugarcane plantation communities (2007) and 76% in HIV sentinel surveillance hospitals (2003-2005) received their HIV test results. HIV-MTCT elimination is feasible but persistent lack of access to critical pMTCT measures must be addressed.

Cervical Visual Inspection with Acetic Acid (VIA) and Oncogenic Human Papillomavirus Screening in Rural Indigenous Guatemalan Women: Time to Rethink VIA.

Single-visit "screen-and-treat" strategies using visual inspection with acetic acid (VIA) and cryotherapy (liquid nitrous oxide ablation) in low-resource settings are commonly used to detect and treat precancerous lesions for cervical cancer prevention. This study compared VIA sensitivity and specificity in rural indigenous Guatemalan communities, to that of oncogenic human papillomavirus (HPV) testing for detection of precancerous changes, using cytology as the reference standard. Between 3-8 September 2017, trained nurses examined 222 women aged 23-58 years with VIA. Specimens for liquid-based cytology and HPV testing were obtained prior to VIA with a cytobrush and transported in PreservCyt to a US clinical laboratory. VIA and HPV test sensitivities were assessed as proportions of women with abnormal cytology that had abnormal VIA or HPV results, respectively, and specificities, as proportions with normal cytology with normal VIA or negative HPV tests. Of 222 women, 18 (8.1%) had abnormal cytology (1 carcinoma in a participant who received VIA-based cryotherapy in 2015, 4 high- and 5 low-grade squamous intraepithelial lesions, and 8 atypical squamous cells of undetermined significance (ASCUS)). Excluding ASCUS, sensitivities of VIA and HPV were 20.0% and 100%, respectively. VIA-based screening may not be acceptable for detecting precancerous lesions, and field cryotherapy for preventing malignancy. The World Health Organization recommended in 2021 "…using HPV DNA detection as the primary screening test rather than VIA or cytology".

Immune reconstitution inflammatory syndrome due to Mycobacterium bovis Bacillus Calmette-Guerin in infants receiving highly active antiretroviral therapy: a call for universal perinatal rapid HIV testing prior to administration of BCG immunization of neonates.

The evidence behind the World Health Organization guidelines that BCG vaccination should not be used in HIV-infected children is compelling. We report three cases of severe BCG-associated immune reconstitution syndrome in HIV-infected infants and describe measures available in developing countries that prevent inadvertent BCG immunization in these infants.

Trends in Racial and Ethnic Disparities in Childhood Asthma in Miami, Florida: 2005-2013.

Nationally, racial and ethnic disparities in childhood asthma plateaued from 2005 to 2013. We assessed trends in childhood asthma in Miami, Florida using Youth Risk Behavior Surveillance System (YRBSS) data and emergency department (ED) utilization and hospitalization rates by zip code population characteristics. Asthma prevalence in Miami did not vary significantly by race/ethnicity in YRBSS respondents in 2005 (16.2-17.2%, all groups), but rose in African-Americans and Hispanics and declined in Whites by 2013 to 27.9, 20.9 and 12.6%, respectively (P = 0.02). Median asthma ED visit rates rose from 106.8 (2006-2008) to 138.2 (2011-2013; P = 0.004) per 10,000 children. High-poverty and majority African-American zip codes were 6.3 and 7.3 times more likely to have asthma ED visit rates > 200 than others (P < 0.001). In high-poverty zip codes, majority African-American population was not associated with significantly higher ED utilization. In low-poverty zip codes, the association became stronger. Greater poverty explains much, but not all of Miami African-Americans' higher asthma risk.

Plasmodium falciparum Infection Status among Children with Schistosoma in Sub-Saharan Africa: A Systematic Review and Meta-analysis.

BACKGROUND: It has been suggested that Schistosoma infection may be associated with Plasmodium falciparum infection or related reduction in haemoglobin level, but the nature of this interaction remains unclear. This systematic review synthesized evidence on the relationship of S. haematobium or S. mansoni infection with the occurrence of P. falciparum malaria, Plasmodium density and related reduction in haemoglobin level among children in sub-Saharan Africa (SSA). METHODOLOGY/PRINCIPAL FINDINGS: A systematic review in according with PRISMA guidelines was conducted. All published articles available in PubMed, Embase, Cochrane library and CINAHL databases before May 20, 2015 were searched without any limits. Two reviewers independently screened, reviewed and assessed all the studies. Cochrane Q and Moran's I2 were used to assess heterogeneity and the Egger test was used to examine publication bias. The summary odds ratio (OR), summary regression co-efficient (ß) and 95% confidence intervals (CI) were estimated using a random-effects model. Out of 2,920 citations screened, 12 articles (five cross-sectional, seven prospective cohort) were eligible to be included in the systematic review and 11 in the meta-analysis. The 12 studies involved 9,337 children in eight SSA countries. Eight studies compared the odds of asymptomatic/uncomplicated P. falciparum infection, two studies compared the incidence of uncomplicated P. falciparum infection, six studies compared P. falciparum density and four studies compared mean haemoglobin level between children infected and uninfected with S. haematobium or S. mansoni. Summary estimates of the eight studies based on 6,018 children showed a higher odds of asymptomatic/uncomplicated P. falciparum infection in children infected with S. mansoni or S. haematobium compared to those uninfected with Schistosoma (summary OR: 1.82; 95%CI: 1.41, 2.35; I2: 52.3%). The increase in odds of asymptomatic/uncomplicated P. falciparum infection among children infected with Schistosoma remained significant when subgroup analysis was conducted for S. haematobium (summary OR: 1.68; 95%CI: 1.18, 2.41; I2: 53.2%) and S. mansoni (summary OR: 2.15; 95%CI: 1.89, 2.46: I2: 0.0%) infection. However, the density of P. falciparum infection was lower in children co-infected with S. haematobium compared to those uninfected with Schistosoma (summary-ß: -0.14; 95% CI: -0.24, -0.01; I2: 39.7%). The mean haemoglobin level was higher among children co-infected with S. haematobium and P. falciparum than those infected with only P. falciparum (summary-mean haemoglobin difference: 0.49; 95% CI: 0.04, 0.95; I2: 66.4%). CONCLUSIONS/SIGNIFICANCE: The current review suggests S. mansoni or S. haematobium co-infection may be associated with increased prevalence of asymptomatic/uncomplicated P. falciparum infection in children, but may protect against high density P. falciparum infection and related reduction in haemoglobin level.

Relationship Between Metabolic Syndrome and Cognitive Abilities in U.S. Adolescents.

BACKGROUND: Metabolic syndrome is increasingly common in U.S. adolescents and has been linked to cognitive dysfunction. Purpose of this study is to explore associations between metabolic syndrome and cognitive impairment in U.S. adolescents using population-based data. STUDY DESIGN: Participants included adolescents aged 12-16 years who participated in the National Health and Nutrition Examination Survey (NHANES) III. The main outcome measures included assessments of cognitive function using Wide Range Achievement Test-Revised (WRAT-R) and Wechsler Intelligence Scale for Children-Revised (WISC-R) tools. The WRAT-R consisted of mathematics and reading tests. The WISC-R consisted of block design test, which measures spatial visualization and motor skills, and digit span test, which measures working memory and attention. Linear regression models were used to examine associations between metabolic syndrome and cognitive function. We used education levels of the family reference person, while controlling for education levels because of missing data. RESULTS: Presence or absence of metabolic syndrome was tested in 1170 of 2216 NHANES III participants aged 12-16 years. Regression models showed that participants with metabolic syndrome scored an average 1.25 [95% confidence interval (CI) = -2.14 to -0.36] points lower in reading examination and an average 0.89 (95% CI = -1.65 to -0.13) points lower in digit span examination, compared to those without metabolic syndrome. In addition, components of metabolic syndrome-elevated systolic blood pressure and increased waist circumference (WC)-were associated with impaired working memory/attention, and higher fasting glucose and increased WC were associated with poorer reading test scores. CONCLUSIONS: Metabolic syndrome was associated with impaired reading, working memory, and attention among adolescents.

Severe, Disfiguring, Pityriasis Rubra Pilaris in a Woman in the Dominican Republic: Histopathologic Diagnosis and Response to Antiretroviral Therapy.

Pityriasis rubra pilaris (PRP) is a poorly understood dermatologic condition usually accompanied by keratoderma and intense erythroderma with islands of unaffected skin. The PRP categories include HIV-associated PRP VI. A 23-year-old HIV-infected, dark-skinned woman in the Dominican Republic developed an extremely severe, disfiguring process characterized first by a dry scaly rash involving her face, trunk, and extremities with hyperpigmentation and islands of spared skin and minimal erythroderma, followed by alopecia and development of a thick horny layer on the scalp and face. The condition, histologically proven to be PRP, was accompanied by fever, wasting, and decline in CD4 count. Initiation of combination antiretroviral therapy (cART) was followed by rapid and sustained resolution of PRP. Nine years after ART initiation, she remains well, with viral suppression and immune recovery, without PRP recurrence but with sparse hair regrowth and facial scarring. In some dark-skinned patients, severe PRP may not feature characteristic erythroderma but will respond to combination ART.

Disclosure of their HIV status to perinatally infected youth using the adapted Blasini disclosure model in Haiti and the Dominican Republic: preliminary results.

OBJECTIVES: To assess the safety, acceptability, and preliminary efficacy of a culturally-adapted disclosure intervention for perinatally HIV-infected combined antiretroviral therapy patients in Haiti and the Dominican Republic. DESIGN: A quasi-experimental trial was conducted comparing caregiver-youth pairs who completed the intervention [adapted Blasini disclosure model (aBDM)] to pairs who discontinued aBDM participation before disclosure. aBDM consists of five components: structured healthcare worker training; one-on one pre-disclosure intervention/education sessions for youth (describing pediatric chronic diseases including cancer, diabetes and HIV) and for caregivers (strengthening capacity for disclosure); a scheduled supportive disclosure session; and one-on-one postdisclosure support for caregivers and youth. METHODS: Caregivers of nondisclosed combined antiretroviral therapy patients aged 10.0-17.8 years were invited to participate. Data were collected by separate one-on-one face-to-face interviews of caregivers and youth by study staff and medical record review by pediatricians at enrollment and 3 months after disclosure or after intervention discontinuation. RESULTS: To date, 65 Dominican Republic and 27 Haiti caregiver-youth pairs have enrolled. At enrollment, only 46.4% of youth had viral suppression and 43.4% of caregivers had clinically significant depressive symptomatology. To date, two serious study-related adverse events have occurred. Seven of the 92 (7.6%, 6 in the Dominican Republic) enrolled pairs discontinued participation before disclosure and 39 had completed postdisclosure participation. Median plasma HIV-RNA concentration was lower in youth who completed aBDM than in youth who discontinued participation before aBDM disclosure (<40 versus 8673 copies/ml; P = 0.027). Completers expressed considerable satisfaction with aBDM. CONCLUSION: Preliminary results suggest safety, acceptability, and possible effectiveness of the aBDM.

Report from the CDC. Use of preventive health services by Hispanic/Latino women in two urban communities: Atlanta, Georgia and Miami, Florida, 2000 and 2001.

PURPOSE: During the 1990s, a 58% increase in the Hispanic/Latino population, fueled by the century's largest immigration wave and the highest fertility of any group, resulted in Hispanics becoming the largest U. S. minority group. To assess use of preventive services by Hispanics in Atlanta, Georgia, the largest Hispanic new destination, and Miami, Florida, the largest established Hispanic community in the Southeast, survey data were analyzed. METHODS: Miami-Ft. Lauderdale and Atlanta metropolitan area data from the 2000 National Health Interview Survey (NHIS) and from anonymous surveys conducted at health festivals in Miami and Atlanta in 2001 were analyzed. RESULTS: Female non-Hispanic white and black NHIS respondents were more likely than Hispanic counterparts to report annual household income >$20,000 (77.3%, 70.8% vs. 67.7%), usual source of healthcare (61.5%, 56.4% vs. 50.2%), or ever having had Pap screening (88.8%, 86.7% vs. 80.7%) or oral contraceptive use (55.7%, 59.7% vs. 33.7%). Miami-Ft. Lauderdale Hispanics were less likely than Atlanta respondents to be monolingual Spanish speakers, to lack usual source of healthcare, or to have less than 12 years of education. Of 295 female health festival respondents, the 160 Miami participants were more likely than Atlanta participants to have health insurance, monthly income >$1000, and prior Pap screening (p < 0.01) but less likely to have used contraception (p = 0.07). Most Hispanics felt they had inadequate healthcare; 15.0% reported being denied healthcare because of inability to pay. CONCLUSIONS: Low income, uninsured status, and language barriers were associated with lower use of preventive services among Hispanics in these Southeastern communities, particularly Atlanta, a new destination.

Costs and benefits of multidrug, multidose antiretroviral therapy for prevention of mother-to-child transmission of HIV in the Dominican Republic.

OBJECTIVE: To investigate whether costs of multidose antiretroviral regimens (MD-ARVs), including highly active antiretroviral therapy (HAART), for prevention of mother-to-child transmission (PMTCT) of HIV might be offset by savings gained from treating fewer perinatally acquired infections. METHODS: Rates of MTCT reported in the Dominican Republic among mother-infant pairs treated with single-dose nevirapine (SD-NVP; n=39) and MD-ARVs (n=91) for PMTCT were compared. Annual births to women infected with HIV were estimated from seroprevalence studies. Antiretroviral costs for both PMTCT and for HAART during the first 2 years of life (in cases of perinatal infection) were based on 2008 low-income country price estimates. RESULTS: Rates of MTCT were 3.3% and 15.4% for the MD-ARV and SD-NVP groups, respectively (P=0.02). Assuming that 5775 of 231 000 annual births (2.5%) were to HIV-positive women, it was estimated that 191 perinatally acquired infections would occur using MD-ARVs and 889 using SD-NVP. High costs of maternal MD-ARVs (HAART, US$914,760 versus SD-NVP, $1155) would be offset by lower 2-year HAART costs ($250,344 versus $1,168,272 for infants in the SD-NVP group) for the lower number of children with prenatally acquired infection (191 versus 889) associated with the use of MD-ARVs for PMTCT (net national saving $3168). CONCLUSION: Despite the high costs, use of MD-ARVs, such as HAART, for PMTCT offer societal savings because fewer perinatally acquired infections are anticipated to require treatment.

Anogenital human papillomavirus in sexually abused and nonabused children: a multicenter study.

OBJECTIVES: To characterize the epidemiology of genital human papillomavirus (HPV) infection in children without previous consensual sexual activity, comparing HPV prevalence by certainty of child sexual abuse (CSA). PATIENTS AND METHODS: Patients presenting for evaluation of CSA in 8 sites in Atlanta, Houston, Harrisburg, and New York City were recruited along with patients presenting for unrelated health visits. CSA certainty was classified as definite, probable, possible, or no evidence following published guidelines and the results of history, physical examination, and laboratory tests. Urine and swabs of external genitalia were tested for HPV using L1 consensus polymerase chain reaction. RESULTS: The study included 576 participants (89.9% female) aged 6 months to 13 years (mean: 7.9); 534 of whom were evaluated for CSA and 42 for unrelated reasons. Of those evaluated for CSA, 14 had genital warts. One or more HPV types were detected in 11.8% (61 of 517) of participants with adequate samples. HPV detection was more likely among abused participants (definite, probable, or possible) than among participants without evidence of CSA (13.7% and 1.3%, respectively; P < .0001) and increased with certainty of abuse (8.4%, 15.6%, and 14.5% in participants with possible, probable, and definite CSA, respectively; P < .0001). Participants aged 10 years or older had a higher prevalence of HPV (20.6%) than others (5.6%) (P < .0001). CSA, anogenital warts, and age were independently associated with HPV detection. CONCLUSIONS: HPV detection was associated with CSA and increased with CSA certainty. In this population, genital HPV seemed to behave as a sexually transmitted infection.

HIV infection and prevention of mother-to-child transmission in childbearing women: La Romana, Dominican Republic, 2002-2006.

OBJECTIVES: To strengthen prevention of mother-to-child HIV transmission (pMTCT) program implementation in La Romana (LR) province, by estimating HIV prevalence and identifying characteristics associated with HIV infection in parturients. METHODS: Umbilical cord blood samples were collected at seven obstetrical sites where over 95% of LR's deliveries occur during four phases (pilot, expanded pilot, full study, and pMTCT program monitoring) from 2 August 2002 to 30 September 2006. Results were linked to data abstracted from delivery records. RESULTS: HIV seroprevalence was 2.6% (263/10 040 overall; 114/4 452, full-study phase (95% confidence interval = 2.1%-3.1%)). Most HIV-infected parturients were Dominican (68.9%) and urban (64.0%). However, prevalence was higher among Haitians (3.7%) than Dominicans (2.3% (p < 0.001)), especially those aged 21-25 years (5.2% vs. 2.3% (p < 0.001)), and among rural, batey, and peri-urban (vs. urban) parturients (3.4% vs. 2.3%, (p = 0.003)). HIV prevalence was associated with commercial sex work (reported by only 0.4%), and prior pregnancy. In logistic regression analysis, commercial sex work, Haitian nationality, and prior pregnancy were independently associated with HIV infection. Caesarean deliveries were more frequent, and rose in the last years of the study, among HIV seropositives; however, most deliveries among seropositives (57.5%) were vaginal. CONCLUSIONS: HIV prevalence among LR parturients was higher than the estimated prevalence in the Dominican Republic (0.8%-1.0%) and, in contrast to past studies, predominantly affected urban Dominicans. HIV prevalence among LR Haitian parturients was higher than among Dominican counterparts and prenatal clinic attendees in Haiti (who had a rate of 3.1%). Consistently implemented, targeted pMTCT interventions are needed.