ROCKINGHAM County, VA Covers 19 Cities. 1  Bergton, VA. 2  Bridgewater, VA. 3  Broadway, VA. 4  Criders, VA. 5  Dayton, VA. 6  Elkton, VA. 7  Fulks Run, VA.
Amniocentesis is a procedure used to obtain a small sample of the amniotic fluid that surrounds the fetus during pregnancy.Amniotic fluid is a clear, pale yellow fluid made by the fetus. The fluid protects the fetus from injury and helps to regulate the temperature of the fetus.mniocentesis is a procedure used to obtain a small sample of the amniotic fluid that surrounds the fetus during pregnancy.
Early in pregnancy, amniocentesis is used for diagnosis of chromosomal and other fetal problems such as: 1  Down syndrome (trisomy 21) 2  Trisomy 13. 3  Trisomy 18. 4  Fragile X. 5  Rare, inherited metabolic disorders. 6  Neural tube defects (anencephaly and spina bifida) by alpha-fetoprotein levels.