A member asked:

How accurate are transvaginal ultra sounds and how many days can they be off thanks?

A doctor has provided 1 answer
Dr. Rebecca Gray answered

Specializes in Obstetrics and Gynecology

Very accurate: A transvaginal first trimester ultrasound is very accurate in dating a pregnancy. If it is off by 7 or more days from your period; the pregnancy is actually re-dated by the ultrasound.

Answered 11/28/2017

5.3k views

Thank

Related Questions