Objective
We sought to determine perinatal outcomes among adolescent women with inappropriate gestational weight gain (GWG) stratified by pre-pregnancy body mass index (BMI).
Study Design
We conducted a retrospective cohort study of 707,260 adolescent women (≤19 years-old) with singleton, non-anomalous gestations from 2012 to 2014, and examined rates of various pregnancy outcomes based on inappropriate GWG (above or below the Institute of Medicine [IOM] guidelines) and pre-pregnancy body mass index (BMI). Differences in birth outcomes were examined in women with inappropriate GWG and then compared to women with appropriate GWG. Outcomes included cesarean delivery, gestational hypertension, gestational diabetes, preterm birth, macrosomia, low birthweight and Apgar score. BMI was divided into 4 sub-groups (underweight, normal weight, overweight, and obese). Multivariate regression analysis and chi-square tests were employed for statistical comparisons and a p-value of less than 0.05 was used to indicate statistical significance.
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