More and more women of childbearing age are being prescribed GLP-1 medications like Ozempic, Wegovy, Mounjaro, and Zepbound. If you're on one of these drugs and thinking about getting pregnant — or if you've just gotten an unexpected positive test — there are a few important things to understand.
The Clear Guidance
All GLP-1 medications are not recommended during pregnancy right now. The FDA labels carry warnings for pregnant women. Animal studies raised concerns (see our guide on GLP-1 side effects), and there simply isn't enough human data yet to call them safe for use during pregnancy.
When to Stop Before Conception
If you're planning to get pregnant, current guidance says to stop semaglutide at least 2 months beforehand — it lingers in your system longer than most people realize. For tirzepatide, the recommended washout is at least 1 month. Your provider may suggest an even longer gap depending on your specific circumstances. (See our semaglutide guide.)
The "Ozempic Baby" Phenomenon
There's been a lot of chatter about surprise pregnancies while on GLP-1 medications, and it's not just anecdotal. Weight loss itself can boost fertility, particularly in women with PCOS or obesity-related ovulation problems. On top of that, GLP-1 medications slow stomach emptying, which can interfere with how well oral birth control is absorbed. If you're taking a GLP-1 and don't want to get pregnant, talk to your provider about non-oral contraception — an IUD, implant, or injection won't be affected by the medication.
Weight Loss Before Pregnancy
There's a real silver lining here. Losing weight before getting pregnant with the help of GLP-1 medications can actually lead to better pregnancy outcomes. Reaching a healthier weight before conception lowers the risk of gestational diabetes, preeclampsia, and cesarean delivery. Some providers specifically frame GLP-1 therapy as a pre-conception health strategy — lose the weight first, then stop the medication and try to conceive.
After Pregnancy
GLP-1 medications aren't recommended while breastfeeding either (read about long-term GLP-1 safety). There just isn't enough safety data. Once you're done nursing, work with your provider to figure out the right time to restart.
What to Do If You Become Pregnant on GLP-1 Medication
Stop the medication right away and call your healthcare provider. Based on the data available, brief early exposure is probably low risk, but your provider will likely want to monitor the pregnancy more closely just to be safe.
Find a GLP-1 provider who can help you plan a safe approach to weight loss and family planning — explore options in San Francisco and San Jose.