Why women on weight loss drugs are being warned about unexpected pregnancies

Photo caption: Lilly mounjaro KwikPen Tirzepatid 5 mg per dose rate. Photo credit: © Raimond Spekking / CC BY-SA 4.0 (no modifications) via Wikimedia Commons. Article by Chloe Gray. Women’s Health – June 5, 2025.

Women using GLP-1 weight loss jabs have been warned that their contraception may be less effective and that they should avoid becoming pregnant while using the drugs. A report by The Medicines and Healthcare products Regulatory Agency (MHRA) has said it’s received knowledge of 40 pregnancies in people using drugs such as Wegovy and Mounjaro. […]

Click here to view original web page at www.womenshealthmag.com

Related articles:

Agency warns that weight-loss drugs can decrease effectiveness of birth control pills – Fortune

Ozempic sperm? Weight loss drugs can mess with fertility — for both men and women – New York Post

What to know about UK warning on weight loss drugs’ effect on birth control – ABC News