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A member asked:

Perfect user of ortho tri cyclen (ethinyl estradiol and norgestimate) lo missed period this month, didn't have sex this month. how does bc make u miss a period?

A doctor has provided 1 answer

Uterine lining: A period is when the uterine lining that built up for possible egg implantation is lost when a pregnancy does not occur. Some birth control pills not allow the lining to build, some force it to be lost.

Answered 9/26/2014

3.7k views

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Related Questions

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