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Related Experiment Video

Updated: Jun 19, 2026

Multidisciplinary Approach to Obesity Management: A Case Report
05:10

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Published on: May 30, 2025

Reducing excessive weight gain in pregnancy: a randomised controlled trial.

Kirby Jeffries1, Alexis Shub, Susan P Walker

  • 1Department of Obstetrics and Gynaecology, University of Melbourne, Melbourne, VIC, Australia.

The Medical Journal of Australia
|October 20, 2009
PubMed
Summary

Regularly monitoring weight during pregnancy did not significantly reduce overall excessive gestational weight gain. However, it showed a beneficial effect for overweight, but not obese, women before pregnancy.

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Area of Science:

  • Obstetrics and Gynecology
  • Maternal Health
  • Clinical Trials

Background:

  • Excessive gestational weight gain is a significant concern in pregnancy.
  • Monitoring weight gain is a key component of antenatal care.
  • Previous interventions have shown mixed results in managing gestational weight gain.

Purpose of the Study:

  • To evaluate the effectiveness of regular self-monitoring of weight in reducing excessive gestational weight gain.
  • To determine if personalized weight gain targets influence pregnancy weight management.
  • To assess the impact of a weight measurement intervention on maternal weight gain patterns.

Main Methods:

  • A randomized controlled trial was conducted with 236 pregnant women.
  • The intervention group received personalized weight gain advice and used a weight measurement card.
  • The control group received standard care, with weight measured only at recruitment.

Main Results:

  • The intervention showed a trend towards less weight gain but did not reach statistical significance for the overall study population.
  • A significant reduction in gestational weight gain was observed in women who were overweight but not obese at recruitment (P = 0.01).
  • The intervention group (overweight) gained 0.42 kg/week compared to 0.54 kg/week in the control group.

Conclusions:

  • Routine weight measurement in pregnancy is not effective in reducing excessive gestational weight gain for all women.
  • The intervention was effective in reducing gestational weight gain specifically among overweight (but not obese) pregnant individuals.
  • Further research may be needed to optimize interventions for different BMI categories.