A member asked:

My sister is 25 weeks pregnant according to dates. but the recent scan showed 24 week femur length and all others corresponding to 23 weeks.is this ok?

A doctor has provided 1 answer
Dr. William Byars answered

Specializes in Family Medicine

It's fine: Conception can occur withing a range of dates following the last menstrual period, so the date is just a close estimate. The three types of estimate you gave are agreeing pretty well.

Answered 4/24/2015

4.6k views

Thank

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