Weight gain trajectories patterns from pregnancy to early postpartum: identifying women at risk and timing to prevent weight regain

Cinthya Muñoz-Manrique, Belem Trejo-Valdivia, Sonia Hernández-Cordero, Alejandra Cantoral, Andrea L. Deierlein, Elena Colicino, Megan M. Niedzwiecki, Robert O. Wright, Andrea A. Baccarelli, Martha María Téllez-Rojo

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Woman's weight changes during pregnancy and postpartum contribute to obesity and health outcomes later in life. This study aimed to identify and characterize weight change trajectories from pregnancy to one year postpartum among adult women. Methods: We used data from an ongoing cohort of healthy adult women (n = 819) with singleton pregnancies from 2007 – 2011. Sociodemographic data, pre-pregnancy body weight, and sedentary and breastfeeding practices were collected using questionaries applied by trained professionals. We applied a group-based trajectory modeling to distinguish weight change measured in the second and third trimesters of pregnancy and at one month, six, and 12 months postpartum. Multinomial regression models were run to characterize each trajectory. Results: We identified six weight change trajectories with the main difference in the patterns followed after one month of delivery. One in three women (36.7%) was classified in some of the three postpartum weight gain trajectories and regained weight from the second trimester of the first year postpartum. Women who followed some of these trajectories were more likely to have higher age, obesity before pregnancy, < 10 years of schooling, and partner, compared with women (10.7%, n = 87) in a postpartum sustained-fast-lost-weight trajectory (p < 0.05). Conclusions: Women with obesity before pregnancy have higher odds of regaining gestational weight after delivery without reaching their pre-pregnancy weight. The first six months postpartum are crucial to establishing obesity prevention strategies. Further research is needed to evaluate the effect of the interventions that prevent substantial weight gain through reproductive years in high-risk women.

Original languageEnglish
Article number811
JournalBMC Pregnancy and Childbirth
Volume22
Issue number1
DOIs
StatePublished - Dec 2022

Keywords

  • Maternal
  • Postpartum
  • Pregnancy
  • Trajectories
  • Weight gain
  • Women of reproductive age

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