Can Birth Control Pills Be Safely Taken with Fibroadenomas? - Surgery

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Is it suitable for someone with a fibrocystic adenoma to take oral contraceptives?


Hello, doctor.
Two years ago, I was diagnosed with a fibroadenoma in my right breast, which is currently being monitored (it is now 2.8 cm).
I would like to ask if it is appropriate for me to take oral contraceptives given the presence of a fibroadenoma in my right breast.
I have read online that contraceptives may increase the risk of breast cancer, and it is not recommended to take them if there is already a tumor in the breast.
Thank you for your guidance.

Niming, 20~29 year old female. Ask Date: 2023/06/06

Dr. Chen Ronghong reply Surgery


Hello, a fibroadenoma is a benign tumor, and it is possible to take contraceptive pills.
However, long-term use of contraceptive pills may increase the risk of breast cancer.
If you have a family history of breast cancer (meaning that relatives related by blood have had breast cancer), it is advisable not to use them long-term or to consider alternative contraceptive methods.
The risk of developing breast cancer gradually decreases over time after discontinuing use.

Reply Date: 2023/06/06

More Info


When considering the use of birth control pills in the context of having a fibroadenoma, it is essential to understand both the nature of fibroadenomas and the implications of hormonal contraceptives on breast tissue. Fibroadenomas are benign (non-cancerous) tumors of the breast that are composed of glandular and stromal (connective) tissue. They are quite common, especially in younger women, and typically do not pose a significant health risk. However, their management and the decision to use hormonal contraceptives can be nuanced.

First, it is important to note that the relationship between hormonal contraceptives and breast cancer risk has been a topic of extensive research. Current evidence suggests that while there may be a slight increase in breast cancer risk associated with the use of combined hormonal contraceptives (which contain both estrogen and progestin), this risk is generally considered to be low for most women. The risk may be more pronounced in women with a family history of breast cancer or those with certain genetic predispositions (such as BRCA mutations).

In the case of fibroadenomas, the concern often arises from the fact that these benign tumors can be influenced by hormonal changes in the body. Estrogen, in particular, is known to stimulate breast tissue growth, which raises questions about whether taking birth control pills could potentially lead to changes in the size or behavior of a fibroadenoma. However, most studies indicate that fibroadenomas do not increase the risk of breast cancer, and the use of hormonal contraceptives does not significantly affect the risk of developing breast cancer in women with fibroadenomas.

For women who have a fibroadenoma, the decision to use birth control pills should be made in consultation with a healthcare provider. Factors to consider include:
1. Size and Stability of the Fibroadenoma: Since your fibroadenoma is currently being monitored and is 2.8 cm, it is crucial to ensure that it remains stable. Regular follow-ups with imaging (such as ultrasound or mammography) are essential to monitor any changes in size or characteristics.

2. Personal and Family Medical History: If there is a family history of breast cancer or other risk factors, this may influence the decision regarding hormonal contraceptive use.

3. Type of Birth Control: If there are concerns about estrogen, alternatives such as progestin-only pills or non-hormonal methods (like copper IUDs) may be considered.

4. Symptoms and Quality of Life: If you are experiencing symptoms related to your fibroadenoma or have concerns about your menstrual cycle, hormonal contraceptives may provide relief, but this should be weighed against the potential risks.

5. Regular Monitoring: If you choose to start hormonal contraceptives, it is advisable to continue regular monitoring of your breast health to ensure that there are no adverse changes in the fibroadenoma.

In summary, while there is no absolute contraindication to taking birth control pills with a fibroadenoma, it is essential to have a thorough discussion with your healthcare provider. They can help assess your individual risk factors, monitor your breast health, and guide you in making an informed decision that aligns with your reproductive health goals and overall well-being. Regular follow-ups and open communication with your healthcare team are key to managing both your fibroadenoma and your contraceptive needs effectively.

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