Amniotic Fluid Test

A prenatal test that is used to detect birth defects, fetal infections or obtain the definite sex of the developing fetus. The test is performed after the 15th week of pregnancy and is done by inserting a needle through the abdomen to retrieve a small amoutn of amniotic fluid that contains placental cells. An ultrasound may be used to properly guid
Found on http://www.pregnology.com/AZ/A/6
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