A member asked:

Ecs delay periods so if i took planb 1day b4 period was due and didn't get it the next day, if not preg, how long could it be delayed?(cycle 33-36days)

A doctor has provided 1 answer

Just a few days: The Progesterone in plan b, if taken right before your period, shouldn't delay it for much longer, at most maybe 3-5 days?

Answered 6/30/2014

4.9k views

Thank

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