Birth Control, Hormones, and Stroke Risk: What Women Should Know

Hormones play a powerful role in the body, and hormonal therapies come with both benefits and risks worth understanding. Birth control and stroke risk are connected in ways that many women aren’t fully aware of. Knowing the facts can help you make informed decisions alongside your provider.

For most healthy women, hormonal birth control is safe and effective. However, certain risk factors can increase the chance of complications, including stroke. Here is what women should know about birth control, hormones, and stroke risk, including how this relates to hormone therapy in transgender women.

Known Risks of Hormonal Birth Control

Hormonal birth control includes pills, patches, rings, and certain injections that use estrogen, progestin, or both. For most women, the risk of stroke while using these methods remains low. Still, certain factors can raise that risk and are worth understanding.

1) Combined Hormonal Birth Control

Birth control methods that combine estrogen and progestin carry a slightly higher stroke risk than progestin-only options. This risk is generally still low for healthy women without other risk factors. Your provider can help determine which type of birth control fits your personal health history best.

2) Smoking and Birth Control

Smoking significantly increases the risk of stroke for women using hormonal birth control, especially those over age 35. The combination of smoking and estrogen-based birth control can affect blood clotting and blood vessel health. Providers often recommend alternative birth control methods for women who smoke.

3) Migraines With Aura

Women who experience migraines with aura may face a higher stroke risk when using estrogen-containing birth control. Aura refers to visual disturbances or other sensory changes that occur before or during a migraine. Providers often recommend progestin-only options for women with this type of migraine history.

4) Other Contributing Risk Factors

Additional factors, such as high blood pressure, obesity, diabetes, and a personal or family history of blood clots, can also increase stroke risk while using hormonal birth control. Age plays a role, as well, since risk tends to increase after age 35. Discussing your full health history with your provider helps ensure you choose the safest option for your needs.

Hormone Replacement Therapy and Stroke Risk

Hormone replacement therapy, often used to manage menopause symptoms, can also carry some stroke-related risk, particularly with oral formulations. This risk can vary based on the type of hormone therapy, the dose, and how it is taken. Providers often consider transdermal options, such as patches, as an alternative that may carry a lower risk profile for certain patients.

As with birth control, individual risk factors play a significant role in determining overall safety. Women considering hormone replacement therapy should discuss their personal and family health history with their provider. This conversation helps ensure the benefits and risks are weighed appropriately for each individual.

Stroke Risk and Hormone Therapy in Transgender Women

Hormone therapy is an important part of care for many transgender women, and understanding its cardiovascular effects is an active area of ongoing research. Several studies have found that transgender women using estrogen therapy may have a higher risk of stroke and blood clots compared with cisgender men and women. However, more recent research has produced mixed findings, with some studies showing no increased risk when estrogen is used under medical supervision.

Research suggests that the type of estrogen and how it is taken may influence risk, with some studies indicating that oral formulations may carry a higher risk than transdermal options. Other health factors, including smoking, blood pressure, and existing cardiovascular conditions, also play an important role. Because research in this area continues to evolve, ongoing medical supervision is an essential part of safe, informed hormone therapy for transgender women.

Reducing Risk While Using Hormonal Therapies

Regardless of the type of hormonal therapy, there are steps women and transgender women can take to help manage stroke risk. Working closely with a provider for regular monitoring is one of the most important steps. This includes tracking blood pressure, cholesterol, and other relevant health markers over time.

Avoiding smoking, managing weight, and staying physically active can also help reduce overall cardiovascular risk. Being open with your provider about your full health history, including migraines, blood clotting disorders, and family history, allows for more personalized guidance. These conversations help ensure that hormonal therapy remains as safe as possible for your specific situation.

It also helps to know the warning signs of a stroke, regardless of which hormonal therapy you use. Sudden facial drooping, arm weakness, and slurred speech should never be ignored. Acting quickly and calling 911 gives medical teams the best chance to provide fast, effective treatment.

Supportive Care at Augusta Health

At Augusta Health, our Center for Women's Health helps women navigate birth control and hormone-related decisions with personalized, informed guidance. Our providers take time to review your full health history so you can make confident, well-informed choices about hormonal therapies. We are committed to supporting every woman with compassionate, individualized care.

Our stroke center holds DNV Primary Stroke Center Certification and is staffed by an interdisciplinary team ready to respond quickly if a stroke occurs. Together, our teams support proactive risk management alongside fast, coordinated emergency care. We are proud to serve communities throughout the Shenandoah Valley with connected, comprehensive support.

Do you have questions about hormonal therapies and stroke risk? Call us at – – or visit our website to find an Augusta Health provider near you.