Can You Take Birth Control After AVM Surgery? Expert Insights - Neurology

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Hello, doctor. May I ask about post-operative care for arteriovenous malformation?


Hello Dr.
Peng, may I ask if it is safe to take contraceptive pills after undergoing surgery for arteriovenous malformation? I took them about 25 years ago when I first started dating my husband, but I experienced significant side effects and stopped taking them.
I just took my first pill again the other day, but I recently found on Google that having brain lesions may make it unsuitable for me to take them.
Thank you for your response, I appreciate it.

Miss Hsieh, 40~49 year old female. Ask Date: 2023/03/02

Dr. Peng Shiwei reply Neurology


Currently, contraceptive pills carry a certain risk of thrombosis in the brain; however, research indicates that the risk of venous thromboembolism is greater.
Your condition is classified as arteriovenous malformation, and the literature presents mixed findings.
Some studies suggest that the use of contraceptive pills may promote the natural formation of thrombus in arteriovenous malformations, leading to their shrinkage.
Therefore, I believe it is more appropriate for your original physician to determine whether you can take contraceptive pills.
Thank you for your inquiry.

Reply Date: 2023/03/02

More Info


After undergoing surgery for an arteriovenous malformation (AVM), the question of whether it is safe to take birth control pills is indeed a significant concern. AVMs are abnormal connections between arteries and veins, which can lead to serious complications, including hemorrhagic strokes. The treatment often involves surgical intervention, which can have various implications for a patient's health, including reproductive health.

When considering hormonal contraceptives after AVM surgery, several factors must be taken into account. First and foremost, it is essential to consult with your healthcare provider, particularly a neurologist or a specialist familiar with your specific medical history and the details of your AVM case. They can provide personalized advice based on your health status and any residual effects from the AVM or its treatment.

One of the primary concerns with hormonal contraceptives, particularly those containing estrogen, is the potential risk of thromboembolic events (blood clots). Estrogen can increase the risk of clot formation, which could be particularly concerning for someone with a history of AVM, as they may already be at an elevated risk for vascular complications. If your AVM was associated with any clotting disorders or if there are concerns about vascular health, your doctor may recommend avoiding estrogen-containing contraceptives.

On the other hand, progestin-only contraceptives, such as the mini-pill or hormonal IUDs, may be considered safer alternatives for individuals with a history of AVM. These options do not carry the same risk of clotting associated with estrogen and may be suitable for those who cannot take combined hormonal contraceptives.

Additionally, it is crucial to consider the timing of starting any form of birth control. After AVM surgery, your body may undergo various changes, and your healthcare provider may recommend waiting for a certain period before starting hormonal contraceptives to ensure that your recovery is stable and that there are no complications.

In summary, while it may be possible to take birth control after AVM surgery, it is essential to have a thorough discussion with your healthcare provider. They will assess your individual risk factors, the specifics of your AVM, and your overall health to determine the most appropriate contraceptive method for you. Always prioritize safety and informed decision-making when it comes to your reproductive health, especially following significant medical procedures like AVM surgery.

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