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A 18-year-old female asked:

I'm on micronor (norethindrone) birthcontrol, i stopped mid pack and didn't get any breakthrough bleeding . why?

1 doctor answer3 doctors weighed in
Dr. Wendy Askew
Obstetrics and Gynecology 24 years experience
Possibly: The micronor (norethindrone) (as most ocps, including progestin-only, like the micronor (norethindrone)) causes thinning of the uterine lining, so it is possible that your body did not have enough lining built up to have the period. If you have a history of irreg. Periods, then it may be due to that as well.

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Last updated Nov 11, 2013

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