Birth Control Pills and Breast Cancer Risks - Breast and Thyroid

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Breast cancer and oral contraceptives?


Hello, Doctor: I would like to ask a few questions regarding preemptive contraceptive pills.

1.
Is it advisable for individuals with a family history of breast cancer to avoid using preemptive contraceptive pills? (After researching online, I found conflicting information and am unsure which is correct.)
2.
I am currently taking Yaz.
To mitigate the risks of breast cancer and thrombosis, should I switch to a lower-dose contraceptive pill from another brand?
Thank you for your response!

Nìmíng, 30~39 year old female. Ask Date: 2019/03/13

Dr. Yuan Tianmin reply Breast and Thyroid


Currently, only patients diagnosed with breast cancer are absolutely prohibited from using hormonal products, including contraceptives.
Whether or not to use contraceptives should be discussed between you and your obstetrician-gynecologist before making a decision.

Reply Date: 2019/03/13

More Info


When it comes to understanding the relationship between birth control pills and breast cancer risks, there are several important factors to consider, especially for individuals with a family history of breast cancer.
1. Family History and Birth Control Pills: For individuals with a family history of breast cancer, the decision to use hormonal contraceptives, including birth control pills, should be made cautiously. Research indicates that while hormonal contraceptives can slightly increase the risk of breast cancer, this risk is generally low for most women. However, women with a strong family history of breast cancer or those who carry BRCA1 or BRCA2 gene mutations may have a higher risk. Therefore, it is essential to discuss personal and family medical histories with a healthcare provider to weigh the benefits and risks of using birth control pills.

2. Types of Birth Control Pills: The type of birth control pill can also influence the risk of breast cancer. Combination pills, which contain both estrogen and progestin, have been associated with a slight increase in breast cancer risk, particularly in younger women. On the other hand, progestin-only pills (also known as the mini-pill) may have a different risk profile. If you are currently taking a combination pill like "Yaz" (referred to as 悅己), and you have concerns about breast cancer and blood clot risks, it may be worth considering a lower-dose formulation or a different type of contraceptive that aligns better with your health profile.

3. Blood Clot Risks: Birth control pills can increase the risk of venous thromboembolism (VTE), which includes deep vein thrombosis (DVT) and pulmonary embolism (PE). This risk is higher in women who smoke, are over 35 years old, or have other risk factors such as obesity or a personal history of clotting disorders. If you have concerns about blood clot risks, it is crucial to discuss these with your healthcare provider, who may recommend a different contraceptive method or a lower-dose pill that minimizes these risks.

4. Monitoring and Regular Check-ups: Regardless of the contraceptive method chosen, regular breast examinations and mammograms are essential, especially for women with a family history of breast cancer. Early detection is key in managing breast cancer risks, and healthcare providers can offer personalized screening recommendations based on individual risk factors.

5. Alternative Contraceptive Methods: If hormonal contraceptives are a concern, there are non-hormonal options available, such as copper intrauterine devices (IUDs) or barrier methods (like condoms). These alternatives do not carry the same risks associated with hormonal contraceptives and can be effective in preventing pregnancy.

In conclusion, while birth control pills can be a convenient and effective method of contraception, their use in women with a family history of breast cancer requires careful consideration and consultation with a healthcare provider. It is essential to evaluate personal risk factors, discuss alternative options, and ensure regular monitoring for breast health. Always prioritize open communication with your healthcare provider to make informed decisions that align with your health needs and family history.

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