A member asked:

What does it mean to have spotting instead of bleeding for period while on birth control?

A doctor has provided 1 answer

Breakthrough bleed: Breakthrough bleeding is the most common side effect of oral contraceptives. Its occurrence does not indicate a decrease in efficacy, but reflects tissue breakdown as the endometrium adjusts to a new thin state in which it is fragile and atrophic. Breakthrough bleeding is more of a problem with lower doses of estrogen because estrogen stabilizes the endometrium.

Answered 11/13/2018

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