How long before pregnancy should I stop a GLP-1?

For semaglutide, the label advises stopping at least 2 months before a planned pregnancy because of its roughly one-week half-life. Tirzepatide labels advise stopping before a planned pregnancy. The exact timing for you is a clinician decision.

Can a GLP-1 help me get pregnant with PCOS?

Weight loss can restore ovulation in some women with PCOS, which can affect fertility, but GLP-1 drugs are not approved as fertility treatments and must be stopped before pregnancy. Coordinate any conception plan with a clinician.

Can I stay on a GLP-1 during IVF?

The labels advise stopping before a planned pregnancy, and there is no approved GLP-1 protocol specific to IVF. Timing the stop date around your cycle should be coordinated with your fertility team.

By condition and life stage

GLP-1 and Fertility: Planning Pregnancy on a GLP-1

Medically reviewed by Editorial Medical Review, MD, NAMS-CMP · Updated July 2026

Quick answer

If you are planning pregnancy, GLP-1 labels advise stopping the drug beforehand, and for semaglutide that means at least 2 months ahead because of its long half-life. Weight loss can also restore ovulation in PCOS. For women, GLP-1 use and conception timing is a specific plan to make with a clinician.

Washout before conception

The GLP-1 drugs are not recommended in pregnancy, and the labels advise discontinuing before a planned pregnancy. For semaglutide (Wegovy, Ozempic), the label specifies stopping at least 2 months in advance because the drug has a half-life of roughly one week and clears slowly.

The tirzepatide labels (Zepbound, Mounjaro) likewise advise stopping before a planned pregnancy. The exact washout for your situation is a clinician decision; these are label instructions, not personal medical advice.

Ovulation can return with weight loss

In women with PCOS, weight reduction can restore more regular ovulation, which can increase the chance of conception, sometimes unexpectedly. If pregnancy is not yet intended, reliable contraception matters throughout treatment.

The tirzepatide label additionally warns it may reduce oral-contraceptive effectiveness, advising a backup or non-oral method for 4 weeks after starting and after each dose increase.

IVF and assisted-conception timing

For women pursuing IVF or other assisted conception, the washout guidance still applies, and timing the stop date around a cycle is something to coordinate with the fertility team. There is no approved GLP-1 protocol specific to IVF, so this is an individualized, clinician-led plan.

This guide is GLP-1-specific. For the broader picture of how weight and multiple factors affect fertility, see our fertility-impact overview, which covers causes beyond GLP-1 drugs.

Key points

Labels advise stopping GLP-1 drugs before a planned pregnancy; semaglutide at least 2 months ahead.
Weight loss can restore ovulation in PCOS, so contraception matters until pregnancy is intended.
Tirzepatide may lower oral-contraceptive effectiveness; use a backup method as the label advises.
IVF timing should be coordinated with the fertility team; no GLP-1 IVF protocol is approved.

Molecule facts (canonical explainers)

This is a decision guide. For the plain-fact explainer of each molecule (mechanism, FDA status, dosing cautions), see:

Wegovy for women — GLP-1 receptor agonist (semaglutide 2.4 mg)
Zepbound for women — GIP/GLP-1 receptor dual agonist (tirzepatide)

Providers we review in this area

Editorial reviews only — not treatment recommendations. Prescribing decisions rest with a licensed clinician. For the full directory, see all GLP-1 for women providers.

Allara — Comprehensive PCOS and hormonal health telehealth. Multidisciplinary care team including endocrinologists, dietitians, and mental health professionals.
Pandia Health — Women-led birth control and women's health telehealth that includes PCOS-relevant care (hormonal birth control, spironolactone, metformin where appropriate).
Pollie (PCOS Specialist) — PCOS-focused platform with phenotype-driven treatment matching. Specialist providers only.

Cost

There is no separate fertility pricing for GLP-1 drugs; cost tracks the chosen drug. See the insurance-coverage guide for how plans treat GLP-1 for weight.

See the full cost breakdown in our Does insurance cover GLP-1 drugs?.

Frequently asked questions

How long before pregnancy should I stop a GLP-1?: For semaglutide, the label advises stopping at least 2 months before a planned pregnancy because of its roughly one-week half-life. Tirzepatide labels advise stopping before a planned pregnancy. The exact timing for you is a clinician decision.
Can a GLP-1 help me get pregnant with PCOS?: Weight loss can restore ovulation in some women with PCOS, which can affect fertility, but GLP-1 drugs are not approved as fertility treatments and must be stopped before pregnancy. Coordinate any conception plan with a clinician.
Can I stay on a GLP-1 during IVF?: The labels advise stopping before a planned pregnancy, and there is no approved GLP-1 protocol specific to IVF. Timing the stop date around your cycle should be coordinated with your fertility team.

Sources

Every efficacy, safety, and price claim above resolves to an FDA label, published trial, guideline, or manufacturer / GoodRx pricing page. External links open in a new tab.

Keep reading

ClearHormones updates these guides as FDA status and pricing change. Verify current approval status and pricing on the manufacturer or FDA page before acting.