Maternal body-mass index and odds ratios for meconium aspiration and neonatal seizures: live singleton term births in Sweden 1992–2010.

aBoth models are adjusted for maternal country of birth, smoking in early pregnancy, education, parity, height, maternal age, and infant year of birth. Number of births included in the analyses of meconium aspiration and neonatal seizures: crude models n = 1,512,506 births, model 1 n = 1,462,187 births, and model 2 n = 1,374,148 births.bWomen with any type of diabetes, chronic hypertension, preeclampsia, or having infants with malformations are excluded.