A member asked:

When do i count day 1 of my cycle if i started my period at 10pm at night, that day or the next?

A doctor has provided 1 answer
Dr. Jeff Livingston answered

Specializes in Obstetrics and Gynecology

Day 1: The first day that you see bleeding is day one.

Answered 8/8/2017

4.2k views

Thank

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