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San Jose, CA
A 22-year-old female asked:

Cramps. period pain. on bc, have pcos. last month period was 2 days (its usually 5-7) this month im a day late. not sexually active last month but i was this month. it was safe. what could be going on?

1 doctor answer7 doctors weighed in
Dr. John Berryman
Obstetrics and Gynecology 55 years experience
"period" ?'s: If your are on oral bcp's, your periods are usually predictable and do not vary. If "BC" means Nexplanon or an IUD type of birth control, pregnancy is also unlikely, but bleeding is sometimes unpredictable. With true "PCOS" oral bcp's are recommended, which prevents later abnormal cellular changes in the uterine lining.
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Last updated Jul 5, 2019

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