A member asked:

Between which days makes a whole menstrual cycle? ex: first day of period to the next first day.

A doctor has provided 1 answer

That is correct: A menstrual cycle is from the first day of a menstrual period (first day of spotting or bleeding, of the menstrual period) up to, but not including, the first day of the next menstrual period.

Answered 1/28/2015

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