A member asked:

Sex on the last 2 day of period,unprotected.took planb pills 5 days later, 9days after planb got heavy bleeding again. i miss a period , 3 neg tests.

A doctor has provided 1 answer
Dr. Robert Kwok answered

Specializes in Pediatrics

About Plan B...: Plan B can alter the menstrual bleeding for the cycle in which Plan B was taken, and sometimes the next cycle too. One should be sure to check a home pregnancy test about 3 weeks after sex, because Plan B works most of the time, but not all the time. One should be sure to have a reliable type of ongoing birth control, the PlanA, in order to never need the PlanB again.

Answered 2/14/2016

1.6k views

Thank

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