A member asked:

How big do folicles need to be on a normal cycle to ovulate ?

A doctor has provided 1 answer
Dr. Victor Beshay answered

Specializes in Fertility Medicine

Over 20 mm: Follicles can reach 24-26 mm in natural cycles prior to ovulation. In some cases follicles may ovulate around 20 mm in size.

Answered 3/15/2013

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