A member asked:

I'm supposed to start my period in 12 days. but i'm pretty positive i started this morning. i'm 16, i'm also sexually active. what could cause this?

A doctor has provided 1 answer

Hormonal imbalance: Menstrual irregularities are not uncommon and anovulatory cycle is a common cause. If you miss more than two periods it would be time to see your doctor. If you do not wish to be pregnant, use contraception all the time. You may consider implanted contraceptive or an IUD. Consult this site for more information on this topic. http://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/Pages/causes.aspx Practice safe sex. Get HPV vaccine.

Answered 4/15/2016

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