Ten-physician OB-GYN office - bifida and anencephaly are...

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Amniocentesis is the process of acquiring amniotic fluid from within the amniotic sac. This is most commonly done by using a long needle with an aspiration syringe. An ultrasound machine is used to guide the placement of the needle, so as not to harm your fetus. Care is taken to steer away from the fetus with the needle. The needle can enter either through the vagina or through the abdominal wall to enter the uterus at the uterine wall and penetrate the amnion for the fluid aspirate. The fluid taken should contain cells that have been sloughed from the growing fetus. This allows us to obtain a sample of your developing fetus without directly touching it. This sample will allow numerous predictors of potential problems with growth and development to be assessed. The fetal cells will be used to screen for genetic abnormalities. The amniotic fluid can be used for testing such as alpha fetoprotein, high levels of which are consistent with diseases that have open neural tube defects. Spina
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Unformatted text preview: bifida and anencephaly are both examples of this at varying extremes. Spina bifida is an incomplete fusion of the coverings over the spinal column and anencephaly is an incomplete development of the head. Though this is much safer for the fetus than doing direct biopsy though the chorionic villus, as available earlier in the pregnancy, or by taking a cord blood sample by placing a biopsy needle through the umbilical wall, there are inherit risks to the mother and the fetus as will occur with any procedure in pregnancy. Risk include, but are not limited to infection, bleeding, injury to the fetus or surrounding tissue, premature labor and delivery, incomplete lung development and respiratory distress, jaundice of the newborn (elevated bilirubin), Rh disease, and death. Exposure to RH antigens in this pregnancy can lead to immune attack on future pregnancies. These risk are rare, but real....
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Ten-physician OB-GYN office - bifida and anencephaly are...

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