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Background There is currently no population-based research on the maternal characteristics or birth outcomes of U.S. women with intellectual and developmental disabilities (IDDs). Findings from small-sample studies among non-U.S. women indicate that women with IDDs and their infants are at higher risk of adverse health outcomes. Purpose To describe the maternal characteristics and outcomes among deliveries to women with IDDs and compare them to women with diabetes and the general obstetric population. Methods Data from the 1998–2010 Massachusetts Pregnancy to Early Life Longitudinal database were analyzed between November 2013 and May 2014 to identify in-state deliveries to Massachusetts women with IDDs. Results Of the 916,032 deliveries in Massachusetts between 1998 and 2009, 703 (<0.1%) were to women with IDDs. Deliveries to women with IDDs were to those who were younger, less educated, more likely to be black and Hispanic, and less likely to be married. They were less likely to identify the father on the infant’s birth certificate, more likely to smoke during pregnancy, and less likely to receive prenatal care during the first trimester compared to deliveries to women in the control groups ( p <0.01). Deliveries to women with IDDs were associated with an increased risk of adverse outcomes, including preterm delivery, very low and low birth weight babies, and low Apgar scores. Conclusions Women with IDDs are at a heightened risk for adverse pregnancy outcomes. These findings highlight the need for a systematic investigation of the pregnancy-related risks, complications, costs, and outcomes of women with IDDs. [ABSTRACT FROM AUTHOR]

Introduction: Postpartum health care among women with intellectual and developmental disabilities has not been well studied. This study uses administrative claims to compare postpartum outpatient visits among women with and without intellectual and developmental disabilities.Methods: Massachusetts All Payers Claims Database 2012-2015 was used to identify women with intellectual and developmental disabilities and a live birth during 2012-2014, matched by infant birth year to 3 women without intellectual and developmental disabilities. Women were followed up for 1 year after delivery. Analyses were conducted in 2019. Poisson regression compared guideline-concordant postpartum and other outpatient visits during the early (21-56 days after delivery) and late (57-365 days after delivery) periods. Types of nonpostpartum care visits were examined.Results: Overall, 962 and 2,886 women with and without intellectual and developmental disabilities, respectively, comprised the sample. Among women with intellectual and developmental disabilities, 23.9% had a postpartum visit in the early and 33.3% in the late postpartum periods, compared with 25.2% and 32.1% of women without intellectual and developmental disabilities who had visits in the early and late postpartum periods, respectively (p=0.49, 0.59). Women with intellectual and developmental disabilities were more likely to have other outpatient visits than those without intellectual and developmental disabilities, both in the early (63.1% vs 40.3%, adjusted RR=1.42, 95% CI=1.28, 1.58, p<0.001) and late (94.2% vs 82.3%, RR=1.11, 95% CI=1.08, 1.14, p=0.008) postpartum periods. Ancillary services, home health services, and alcohol/drug-related visits were much more common among women with intellectual and developmental disabilities.Conclusions: Women with intellectual and developmental disabilities are equally likely to receive guideline-concordant postpartum visits and more likely to have other outpatient visits than other women. Further research is needed to evaluate visit quality and identify best practices to support mothers with intellectual and developmental disabilities during the postpartum period. [ABSTRACT FROM AUTHOR]