Anthropometry measurements for mothers and infants were conducted by a trained study nurse. Of the enrolled women, 613 of their infants were assessed for growth at 12 months. Baseline factors associated with class membership were assessed using multinomial logistic regression. MethodsÄata from 989 women were examined for weight trajectories from first antenatal care visit in pregnancy to 12 months postpartum using latent-class growth models. We examined maternal weight trajectories from pregnancy through to 12 months postpartum, factors associated with higher weight trajectory class membership and associations of weight trajectories with infant growth at 12 months. There are no data characterising longitudinal weight trajectories among pregnant and postpartum women in urban African populations. Despite the close relationship between pre-pregnancy body mass index (BMI), gestational weight gain (GWG) and postpartum weight (PPW), these factors are often studied separately.
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