Why Mounjaro Is Not Recommended During Pregnancy
Mounjaro (tirzepatide) is a prescription-only, once-weekly injectable medicine that acts on GLP-1 and GIP receptors involved in appetite regulation and blood sugar control. According to the electronic Medicines Compendium (eMC), tirzepatide should not be used during pregnancy because data on its effects in pregnant humans is very limited, and animal studies have shown potential risks to fetal development. The precaution is therefore applied out of an abundance of care for both the person and the developing baby.
Contraception considerations
People who could become pregnant are generally advised to use effective contraception while taking Mounjaro. There is also an important practical point: because tirzepatide slows gastric emptying, it may reduce the absorption of oral medications — including oral contraceptives. If you rely on a pill-based contraceptive, your prescriber may advise switching to a non-oral method. This is a clinical conversation, not something to navigate alone.
If you discover you are pregnant while taking Mounjaro
Contact your prescriber or doctor as soon as possible. They will advise on stopping the medicine and any next steps for monitoring. Many people searching this topic are already working through exactly this situation — it is important to get personalised guidance promptly rather than waiting for a scheduled appointment. You can read more about the specific risk profile in our dedicated page on Mounjaro pregnancy risk.
Related medications and interactions
If you are also taking other medicines — including those for pain management — it is worth discussing the full picture with your prescriber. Our page on codeine and Mounjaro covers how absorption of other medications can be affected. For a broader overview of everything covered about tirzepatide, the Mounjaro hub is a good starting point. If you are also considering semaglutide or have questions about both medicines, see our comparison of Wegovy and Mounjaro.
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Staying Informed and Tracking Your Health During This Time
When you are navigating a significant change — pausing medication, managing a new health situation, or preparing for pregnancy — keeping a clear record of how you feel day to day becomes especially valuable. GLP Trackr's side-effect and symptom tracker lets you log how you are feeling across energy, mood, and physical symptoms, building a timeline you can share with your prescriber. That kind of organised, dated record can make appointments more productive and ensure nothing gets missed in the conversation.
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GLP Trackr is a companion and tracking tool — it does not replace the clinical guidance of your prescriber or doctor, and nothing in the app should be read as medical advice specific to your situation. If you are pregnant, may be pregnant, or are planning a pregnancy while on Mounjaro, please contact your healthcare professional promptly. Any decision about continuing, pausing, or stopping your medication must be made with them, not on your own.
Side-effect reporting is also important: if you experience anything unexpected, your prescriber should hear about it, and you may also be able to report via your national pharmacovigilance scheme — such as the UK's Yellow Card scheme — depending on where you are based.
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Frequently asked questions.
Mounjaro (tirzepatide) is not recommended during pregnancy. If you are pregnant or think you might be, contact your prescriber or doctor as soon as possible. They will advise on stopping the medicine and any appropriate monitoring for you and your baby.
Contact your prescriber or doctor promptly — do not wait for a routine appointment. They will guide you on stopping tirzepatide and any next steps. A decision to stop or continue any prescription medicine during pregnancy should always come from a qualified healthcare professional.
Tirzepatide slows gastric emptying, which may reduce how well oral contraceptives are absorbed. If you take an oral contraceptive pill, discuss this with your prescriber, who may recommend switching to a non-oral method while on Mounjaro.
This is a question for your prescriber or doctor, who can assess your individual circumstances. Current prescribing guidance advises effective contraception during Mounjaro treatment, and suitability for use while trying to conceive is a clinical decision, not one to make independently.
GLP Trackr lets you log symptoms, mood, energy, and weight during any break in treatment. Keeping a clear, dated record means you have useful information to share with your prescriber at follow-up appointments, though the app does not replace their clinical advice.