A member asked:

Im on bcps and normally i start my period on a saturday but today i started on a friday. why do some months i start a day early?

A doctor has provided 1 answer
Dr. Jeff Livingston answered

Specializes in Obstetrics and Gynecology

Slight variation: It is perfectly normal to have a slight amount of cycle variation from month to month. A one day variation is not something to be concerned about. We are complex organisms affected by many variables.

Answered 2/6/2018

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Thank

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