Should I stop birth control or hormone replacement therapy before cosmetic surgery?
⚠️ Seek emergency care immediately if you notice these warning signs
After any surgery, contact emergency services or go to the nearest emergency room right away if you develop sudden shortness of breath, chest pain, a rapid or irregular heartbeat, coughing up blood, or significant swelling, redness, or pain in one leg. These can be signs of a pulmonary embolism or deep vein thrombosis, which are life-threatening emergencies.
Short answer
Both oral contraceptives and hormone replacement therapy (HRT) raise your risk of dangerous blood clots around the time of surgery. Because no firm universal guideline exists, your surgeon and prescribing doctor need to weigh the risks and benefits together with you, but many experts recommend stopping these medications before major procedures.
What the research shows
Surgery itself increases the risk of venous thromboembolism (VTE), which includes deep vein thrombosis (blood clots in the legs) and pulmonary embolism (clots in the lungs). Oral contraceptives and HRT are both recognized factors that raise that risk even further around the time of an operation [1] [2]. A review of the available evidence found that no definitive guidelines have been established, but manufacturers of these medications generally recommend holding them around surgery [1]. The risk from HRT also depends on the type: transdermal (skin-patch) estrogen carries less clotting risk than oral forms, and adding a progestogen can change the risk profile as well [7]. Research on cross-sex hormone therapy similarly concludes that thrombosis prevention for surgery is mandatory, and stopping estrogen at least two weeks before major surgery is considered advisable [3].
What this means for you
Because the evidence does not support a one-size-fits-all rule, the decision must be personalized. Factors your care team will consider include the type of hormone medication you take, your personal or family history of blood clots, the length and type of surgery planned, and how long you will be immobile afterward [1] [7]. If you stop birth control before surgery, you will also need a reliable alternative method to avoid pregnancy during that period, since an unintended pregnancy before non-obstetric surgery carries its own risks [1]. Never stop or restart a hormone medication on your own without speaking to both your surgeon and the doctor who prescribes it.
What to ask your surgeon
Before your procedure, ask your cosmetic surgeon and your primary care doctor or gynecologist these questions: Which specific medication am I taking, and does it raise my clot risk? Should I stop it, and if so, how many weeks before surgery? What contraception or symptom-management alternative should I use in the meantime? Will I need blood-thinning precautions (such as compression stockings or medication) during or after surgery? Getting both doctors to coordinate a clear plan for you is the safest approach [1] [3] [7].
Caveats
The available studies are mostly observational reviews rather than large randomized trials specifically in cosmetic surgery patients, so the evidence is not as strong as we would like [1]. Individual risk varies widely depending on the hormone type, dose, and route of delivery [7]. This information is for general education only and is not a substitute for a conversation with your own medical team.