Very low chance.: Plan B is very effective to prevent pregnancy. Also, if your period is due in a few days, you had intercourse during a time of low fertility, so that is in your favor as well. Plan B has very few side effects. essentially similar to menstrual symptoms, if any. However, if your period is a week late this time, you should take a urine pregnancy test. Also, consider using condoms to prevent STDs.
Answered 4/16/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
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