Last 4 - 7 pills: The active ingredient in 28 day birth control pills is usually in the first 21 - 24 pills. A woman would expect to come on her menstrual period after 21 or 24 days, plus sometimes another day or 2. Sometimes, women on birh control pills do not have a period at all. Still, only a negative pregnancy test would be reassuring of that situation.
Answered 12/19/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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