Fig. 2

Association of Gestational Weight Gain Z−scores with Stillbirth. This figure displays adjusted odds ratios for the association between GWG Z−scores and stillbirth. Selected GWG z−scores were compared to a referent z−score of 0. Models were adjusted for maternal age at delivery, maternal race and ethnicity, study site, maternal education, marital status/cohabitating, health insurance type, trimester prenatal care began, family income in the last 12 months, WIC enrollment, smoking or alcohol consumption during the 3 months prior to pregnancy, lifetime drug use, pregnancy history, history of hypertension, history of preexisting diabetes, and history of thyroid disorder