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Using GLP-1 Drugs for Weight Loss Before Pregnancy: What We Know So Far

RPEP-131102025Price, Sarah A L; Nankervis, Alison
Narrative ReviewLow Moderate evidence
The takeaway

GLP-1 drugs are increasingly used for pre-conception weight management in women with obesity, despite limited safety data for this context.

Off-label use

GLP-1 drugs increasingly used pre-conception for weight management despite limited pregnancy safety guidelines

What the researchers found

GLP-1 drugs are being used off-label for pre-conception weight management, but safety data for this specific context remains limited.

Why it matters

With millions of reproductive-age women now taking GLP-1 drugs, understanding pre-conception implications is urgent.

The numbers in context

No specific efficacy data from pre-conception trials; reviews observational and animal safety data.

How the study worked

Narrative review of PubMed, Medline, and Embase literature on GLP-1 RA use before and during pregnancy.

Who was studied

Women of reproductive age with obesity considering pregnancy

What this study cannot tell us

Narrative review — evidence base is sparse. Most pregnancy exposure data comes from inadvertent rather than planned use.

How to read the evidence

Narrative review — summarizes limited available evidence. No randomized trials of pre-conception GLP-1 use exist.

When this study was published

Published in 2025, addressing a rapidly emerging clinical question.

The bigger picture

This represents a growing tension between the proven benefits of pre-conception weight loss and the unknown risks of GLP-1 drug exposure near conception.

Questions still open

  • How long before conception should GLP-1 drugs be stopped?
  • Does pre-conception GLP-1 use improve pregnancy outcomes despite drug discontinuation?

Common questions

Can I take a GLP-1 drug before getting pregnant?
Some women use them for pre-conception weight loss, but safety data is limited. Current guidance recommends stopping before conception.
How long before pregnancy should I stop GLP-1 medication?
Specific washout recommendations vary by drug. Discuss timing with your OB-GYN or reproductive endocrinologist well before trying to conceive.

Read the original research

Considering the use of GLP-1 receptor agonists in women with obesity prior to pregnancy: a narrative review.

Archives of gynecology and obstetrics, 311(5), 1241-1247

View on PubMed ↗Publisher’s paper ↗

Citation

Price, Sarah A L; Nankervis, Alison. (2025). Considering the use of GLP-1 receptor agonists in women with obesity prior to pregnancy: a narrative review.. Archives of gynecology and obstetrics, 311(5), 1241-1247. https://doi.org/10.1007/s00404-024-07849-9