Menstrual period: Your period starting at the correct time is the only one that's reliable, everything else is pure and total guesswork. Bottom line: you have to wait, but Plan B taken correctly is extremely effective. Good luck.
Answered 6/30/2014
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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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