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A 34-year-old member asked:

What are disadvantages of progesterone only pills?

2 doctor answers6 doctors weighed in
Dr. Padmavati Garvey
A Verified Doctoranswered
31 years experience
Irregular bleeding: The main drawback is that estrogen-free methods are associated with more breakthrough bleeding or irregular bleeding.
Dr. James Lackey
Obstetrics and Gynecology 48 years experience
No estrogen: #1 slightly higher risk of unintended pregnancy. #2 less effective "cycle control" as compared to "regular" or combination ( progestin and estrogen) birth controp pills. On the positive side, they can be used while nursing or other times when estrogen is inappropriate.
Last updated Aug 2, 2014

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