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Objectives: To provide lifetime estimates of intimate partner victimization among pregnant adolescents and examine associations between victimization and health risk behaviors identified by the Centers for Disease Control and Prevention as leading causes of adolescent morbidity and mortality., Methods: Participants (n = 1233) were predominantly Latina (58%) and non-Latina Black (34%) pregnant adolescents (aged 14-21 years) enrolled in a randomized controlled trial of group prenatal care in 14 clinical sites in New York City (2008-2012). They completed surveys to assess interpersonal victimization and risk behaviors: substance use, risky sexual behaviors, injuries or violence, unhealthy dietary behavior, and inadequate physical activity., Results: Fifty-two percent reported intimate partner victimization, which was associated with nearly all health risk behaviors., Conclusions: Pregnant adolescents who experienced intimate partner victimization were significantly more likely to engage in health risk behaviors, which can have adverse health consequences. Expanded prevention programs tailored to specific needs of pregnant adolescents are needed. Health care providers and others who work with pregnant adolescents should consistently screen for and intervene in intimate partner victimization.

Objectives: We compared an evidence-based model of group prenatal care to traditional individual prenatal care on birth, neonatal, and reproductive health outcomes., Methods: We performed a multisite cluster randomized controlled trial in 14 health centers in New York City (2008-2012). We analyzed 1148 pregnant women aged 14 to 21 years, at less than 24 weeks of gestation, and not at high obstetrical risk. We assessed outcomes via medical records and surveys., Results: In intention-to-treat analyses, women at intervention sites were significantly less likely to have infants small for gestational age (< 10th percentile; 11.0% vs 15.8%; odds ratio = 0.66; 95% confidence interval = 0.44, 0.99). In as-treated analyses, women with more group visits had better outcomes, including small for gestational age, gestational age, birth weight, days in neonatal intensive care unit, rapid repeat pregnancy, condom use, and unprotected sex (P = .030 to < .001). There were no associated risks., Conclusions: CenteringPregnancy Plus group prenatal care resulted in more favorable birth, neonatal, and reproductive outcomes. Successful translation of clinical innovations to enhance care, improve outcomes, and reduce cost requires strategies that facilitate patient adherence and support organizational change.

Objectives: We aimed to contribute to growing research and theory suggesting the importance of examining patterns of change over time and critical life periods to fully understand the effects of discrimination on health, with a focus on the period of pregnancy and postpartum and mental health outcomes., Methods: We used hierarchical linear modeling to examine changes across pregnancy and postpartum in everyday discrimination and the resulting consequences for mental health among predominantly Black and Latina, socioeconomically disadvantaged young women who were receiving prenatal care in New York City., Results: Patterns of change in experiences with discrimination varied according to age. Among the youngest participants, discrimination increased from the second to third trimesters and then decreased to lower than the baseline level by 1 year postpartum; among the oldest participants, discrimination decreased from the second trimester to 6 months postpartum and then returned to the baseline level by 1 year postpartum. Within-subjects changes in discrimination over time predicted changes in depressive and anxiety symptoms at subsequent points. Discrimination more strongly predicted anxiety symptoms among participants reporting food insecurity., Conclusions: Our results support a life course approach to understanding the impact of experiences with discrimination on health and when to intervene.