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";s:4:"text";s:3159:"If the results of these first trimester screening tests are abnormal, genetic counseling is recommended. For example, 1-4 women out of 400 who performed this test may have a miscarriage. Testing is available for other genetic defects and disorders depending on your family history and the availability of lab testing at the time of the procedure. Using a fetoscope (a type of stethoscope) to listen to the fetal heartbeat is the most basic type of fetal heart rate monitoring. Therefore, women who undergo CVS also need a follow-up blood test between 16 and 18 weeks of pregnancy to screen for these defects. Nuchal translucency screening uses an ultrasound to examine the area at the back of the fetal neck for increased fluid or thickening. Examples of genetic disorders that can be diagnosed before birth include: The following screening methods are available during pregnancy: Alpha-fetoprotein (AFP) test or multiple marker test, Percutaneous umbilical blood sampling (withdrawing a small sample of the fetal blood from the umbilical cord). Your doctor or midwife may recommend genetic testing during pregnancy if you or your partner has a family history of genetic disorders. Babies whose mothers receive antibiotic treatment for a positive GBS test are 20 times less likely to develop the disease than those without treatment. Although exact methods may vary, the procedure involves the following steps: Your doctor will insert a small tube (catheter) through your vagina and into your cervix. This is a hormone produced by the placenta. Abnormal glucose levels may indicate gestational diabetes. Chorionic villus sampling (CVS) is an invasive screening test that involves taking a small piece of tissue from the placenta. The sample can be taken through the cervix (transcervical) or the abdominal wall (transabdominal).During pregnancy, the placenta provides oxygen and nutrients to the growing baby and removes waste products from the baby's blood. Internal fetal monitoring involves inserting an electrode through the dilated cervix and attaching the electrode to the scalp of the fetus. During contractions, an external tocodynamometer (a monitoring device that is placed over the top of the uterus with a belt) can record the pattern of contractions. The risk is still small. Your doctor will use ultrasound technology to help guide a hollow needle into the amniotic sac. The CVS procedure is usually described as being uncomfortable rather than painful, although you may experience some cramps that are similar to period pains for a few hours afterwards. In other cases, the doctor may take a sample that does not have enough tissue to grow in the lab, generating incomplete or inconclusive results. An abnormal pattern also may mean that an emergency cesarean delivery is needed. This screen is performed using an ultrasound between 11 and 13 weeks gestation. He or she will withdraw a small sample of fluid for lab analysis. Estriol. Because CVS is an invasive procedure, it carries a small risk of miscarriage. An abnormal fetal heart rate or pattern may mean that the fetus is not getting enough oxygen or indicate other problems. ";s:7:"keyword";s:24:"cvs blood test pregnancy";s:5:"links";s:884:"Operation Theater Meaning, Kirk Muller Daughter, Volare Louisville, Pompeii Shoes Uk, Taxi Sanford Orlando Airport, Woodpecker Carpenter Square, Schneider Fleet, Revolutionary Left Podcast, ";s:7:"expired";i:-1;}