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[Relationship between pre-pregnancy body mass index and preterm birth]

L F Wang1, H Zhou1, Y Zhang1

  • 1Department of Child, Adolescent and Women's Health, Peking University School of Public Health, Beijing 100191, China.

Beijing Da Xue Xue Bao. Yi Xue Ban = Journal of Peking University. Health Sciences
|June 20, 2016
PubMed

Insights

Pre-pregnancy obesity significantly increases the risk of preterm birth. Maintaining a healthy body mass index (BMI) before conception is crucial for reducing preterm birth rates.

Area of Science:

  • Obstetrics and Gynecology
  • Reproductive Health
  • Maternal-Fetal Medicine

Background:

  • Preterm birth remains a leading cause of neonatal morbidity and mortality worldwide.
  • Understanding modifiable risk factors, such as pre-pregnancy body mass index (BMI), is essential for effective prevention strategies.

Purpose of the Study:

  • To investigate the association between pre-pregnancy body mass index (BMI) and the risk of preterm birth.
  • To identify key maternal factors contributing to preterm delivery.

Main Methods:

  • A case-control study involving 174 preterm births and 382 term deliveries was conducted.
  • Multivariate logistic regression analysis was employed to assess risk factors, adjusting for covariates like maternal age and socioeconomic status.

Main Results:

  • Pre-pregnancy obesity was identified as a significant risk factor for preterm birth (adjusted odds ratio: 2.461).
  • Gestational diabetes mellitus, pregnancy-induced hypertension, and a family history of preterm birth were also associated with increased risk.

Conclusions:

  • Pre-pregnancy obesity is a critical risk factor necessitating targeted preconception care.
  • Promoting a normal BMI range before pregnancy is a vital strategy to reduce the incidence of preterm birth.
Abstract

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