Fibroadenomas: Can Birth Control Pills Affect Them?

Fibroadenoma

Hello doctor, I recently had an ultrasound examination that revealed a fibroadenoma.
I read online that "estrogen may cause the adenoma to grow." Can I still take the oral contraceptive pill "Yaz"? Will it affect the adenoma?

Li, 20~29 year old female. Ask Date: 2017/05/01

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, generally taking contraceptive pills does not have an impact.
Wishing you good health.

Reply Date: 2017/05/01

More Info

Fibroadenomas are benign breast tumors that are most commonly found in young women. They are typically characterized by their smooth, firm texture and can vary in size. The relationship between birth control pills, particularly those containing estrogen, and fibroadenomas is a topic of interest for many women who are concerned about their breast health.

To address your question, it is important to understand how estrogen affects fibroadenomas. Estrogen is known to stimulate breast tissue growth, and since fibroadenomas are hormone-sensitive, there is a possibility that estrogen could influence their size. However, the evidence regarding the effect of birth control pills on fibroadenomas is not entirely conclusive. Some studies suggest that hormonal contraceptives may not significantly affect the size of fibroadenomas, while others indicate that they could potentially cause them to enlarge.
If you have been diagnosed with a fibroadenoma and are considering or currently using birth control pills like "Yasmin" (which is a combination of estrogen and progestin), it is crucial to consult with your healthcare provider. They can evaluate your specific situation, including the size and characteristics of the fibroadenoma, your overall breast health, and any family history of breast cancer.
In general, if a fibroadenoma is stable and not causing any symptoms, many healthcare providers may not recommend discontinuing birth control pills solely based on the presence of a fibroadenoma. However, if the fibroadenoma is large or if there are changes in its characteristics, your doctor may suggest monitoring it more closely or considering alternative contraceptive methods that do not contain estrogen.

Additionally, it is essential to perform regular breast self-exams and follow up with routine mammograms or ultrasounds as recommended by your healthcare provider. This proactive approach can help ensure that any changes in the fibroadenoma or surrounding breast tissue are detected early.

In summary, while there is a theoretical concern that estrogen could affect the size of fibroadenomas, the clinical implications are often individualized. The best course of action is to have an open discussion with your healthcare provider about your concerns regarding birth control pills and fibroadenomas. They can provide personalized advice based on your health history and the specifics of your fibroadenoma. Remember, maintaining regular check-ups and being vigilant about breast health is key to managing any concerns related to fibroadenomas and hormonal contraceptives.

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