A member asked:

Is the progesterone only birth control pill just as effective as the regular pills with estrogen (such as tri cyclen)?

A doctor has provided 1 answer
Dr. Seth Derman answered

Specializes in Reproductive Endocrinology and Infertility

Less effective: While less effective than combination pills, progestin only pills are still more effective than other methods such as barrier methods or rhythm method. The chief problem is that your cycles may become irregular.

Answered 6/3/2013

5.1k views

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