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Cudahy, WI
A 27-year-old female asked:

Had ultrasound, baby reading 8wks with a very large sac. dr laughed n said we have a swimmer. is a large amniotic sac a cause of concern?

1 doctor answer1 doctor weighed in
Dr. Roger Duvivier
Obstetrics and Gynecology 47 years experience
Sac meaning unclear: If the sonographic measurements of your 8 week embryo, its cardiac activity and the yolk sac were all normal, there may be very little cause for alarm . At this early point in your pregnancy, measuring the size of the gestational sac may be quite imprecise and the meaning of a "very large sac" is rather unclear and is probably insignificant.

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Last updated Aug 21, 2016

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