A member asked:

U say the due date goes of by your last period. but unfortunately u guys are wrong. what if the girls had some kind of contraceptive? then what?

A doctor has provided 1 answer

Dr. Rebecca Gray answered

Specializes in Obstetrics and Gynecology

Ultrasound: A lot of patients have irregular periods or don't keep track. A first trimester ultrasound is a very reliable way to date a pregnancy if your period is unknown.

Dr Livingston and 3 doctors agreed

Answered 12/31/2014

4.9k views

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A member asked:

U say the due date goes of by your last period. but unfortunately u guys are wrong. what if the girls had some kind of contraceptive? then what?

A doctor has provided 1 answer

Dr. Rebecca Gray answered

Dr Livingston and 3 doctors agreed

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