Maryville, TN
A 24-year-old female asked:
What is the margin of error for an abdominal ultrasound in the first trimester. around 11 weeks. would vaginal be more accurate?
1 doctor answer • 2 doctors weighed in
Dr. Jie Xuanswered
Obstetrics and Gynecology 18 years experience
Vaginal: Transvaginal ultrasound is more accurate in first trimester, with a margin of 5 to 7 days. Hope this helps.
4.9k viewsReviewed >2 years ago
Last updated Apr 3, 2014
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