A member asked:

Is intravaginal ultrasound very accurate in determining how old is the embryo or the yolk sac ? i'm 8w preggo but ultrasound data said the sac is 5w.5

A doctor has provided 1 answer

Estimations: Estimations of gestation age are done by ultrasound, lmp, and rates of pregnancy growth as markers among others.

Answered 12/31/2013

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