A member asked:

I had a 1 day period which isn't normal 4 me. semi-heavy. preg. test was neg. had sex during my "window". periods r irregular at times, but last 4 day?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Light period.: The main reason for light periods is a change in hormone levels. Causes for what seems to be a light period can include: implantation bleeding in early pregnancy, thyroid problems, eating disorders, excessive exercise, initial periods for a girl, use of an intrauterine device, oral contraceptives & perimenopause.

Answered 11/7/2014

3.6k views

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