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A member asked:
I want to known any screening exam to rule out down syndrome? when is the best to check it? or only 4d ultrasound can help?
A doctor has provided 1 answer
Depends: on what gestational age the fetus is at. The quad screen can predict risk of Downs Syndrome in conjunction with ultrasounds.Needs to be done between the 15th and 20th week of pregnancy.
Answered 8/10/2014
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