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A member asked:

Can you detect trophoblastic disease at 4 weeks since the first day of last period on transvaginal ultrasound?

A doctor has provided 1 answer
Dr. Bruce J. Stringer answered

Specializes in Radiology

Not Likely: At 4 weeks menstrual age there usually are no clear signs at all of an early pregnancy. By 5-6 wks a small gestational sac should be visible but would be difficult to distinguish from trophoblastic disease. By 7-8 weeks we expect to see fetal heart activity and may visualize early trophoblastic disease.

Answered 1/6/2019

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