A member asked:

Hello my question is i recently had sex on november 27 at 4pm i took plan b pill 31 hours later will this prevent me from not eatting pergarnet. my period are irregular i don't get it ever month. now i'm very nervous and afarid?

A doctor has provided 1 answer

Hope so: Taking Plan B or other emergency contraception pills can alter the timing or the quality of the current menstrual cycle and the upcoming cycle. One should check a urine pregnancy 3 weeks after taking Plan B, because Plan B works most of the time but not all of the time.

Answered 12/4/2015

1.9k views

Thank

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