A member asked:

On birth control but took plan b while on last week of birth control due to missing a pill. i am on my 4th white pill and period hasn't started :( why?

A doctor has provided 1 answer

Dr. Clarene Cress answered

Plan B hormones: will change your menstrual cycle. The One Step Plan B has a large dose of progestin equivalent to that in 7-14 Birth Control Pills, depending on the brand of pill. Keep taking your white or placebo pills as per the package, and start your next package when it is due to maintain your contraceptive effect. You may experience a short period in a few days, or have intermittent spotting.

Answered 8/8/2016

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A member asked:

On birth control but took plan b while on last week of birth control due to missing a pill. i am on my 4th white pill and period hasn't started :( why?

A doctor has provided 1 answer

Dr. Clarene Cress answered

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