Effect of weight loss intervention on assisted reproductive outcomes in women with obesity and infertility: a retrospective cohort study - Report - MDSpire

Effect of weight loss intervention on assisted reproductive outcomes in women with obesity and infertility: a retrospective cohort study

  • By

  • Hua Dai

  • Qifeng He

  • Yongxin Liu

  • Ling Wu

  • Hongmei Wang

  • May 20, 2026

  • 0 min

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Clinical Report: Impact of Targeted Weight Reduction on Reproductive Success

Overview

This study evaluates the effect of a goal-directed weight loss intervention on live birth rates in obese infertile women undergoing assisted reproductive technology (ART). This retrospective cohort study indicates that targeted weight loss significantly improves live birth rates compared to immediate IVF without weight loss.

Background

Obesity is a growing public health concern, particularly affecting women's reproductive health. It is associated with various reproductive disorders, including menstrual irregularities and infertility. Understanding the impact of weight management on ART outcomes is crucial for optimizing fertility treatments in obese women.

Data Highlights

GroupMean Weight Reduction (%)Live Birth Rate (%)
Target-oriented Group9.9639.66
Standard Lifestyle Group0.6815.52

Key Findings

  • The Target-oriented Group achieved a mean weight reduction of 9.96%.
  • Live birth rates were significantly higher in the Target-oriented Group (39.66%, 95% CI: X.XX to X.XX) compared to the Standard Lifestyle Group (15.52%).
  • The adjusted hazard ratio for clinical pregnancy in the Target-oriented Group was 2.86 (95% CI: 1.31–6.22).
  • No significant differences were observed in multiple pregnancy rates or neonatal complications between groups.
  • The study highlights the potential benefits of weight loss interventions prior to ART in obese women.

Clinical Implications

Healthcare providers should consider implementing structured weight loss interventions, such as dietary modifications and physical activity programs, for obese women seeking ART to enhance reproductive outcomes. This approach may lead to improved live birth rates and overall fertility success.

Conclusion

The findings suggest that a targeted weight reduction program prior to ART can significantly improve live birth rates in obese infertile women, warranting further investigation into the role of weight management in fertility treatments and addressing the limitations of this study.

Related Resources & Content

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  6. Obesity and reproduction: a committee opinion
  7. Nuffield Department of Women's & Reproductive Health
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