A member asked:

Ive always had a seven day period but for the last two months ive had a four day period gassy and slightly cramping constinctly?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Don't know why: 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 10/24/2014

3.6k views

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