This test can help screen for Trisomy 21 (Down Syndrome), Trisomy 18 and also some babies with heart defects, such as atrial or ventricular septal defect, tetralogy of Fallot, coarctation of the aorta or aortic stenosis, hypoplastic left heart and multiple mixed cardiac anomalies. Research has shown an association between fetuses with certain chromosomal abnormalities and ultrasonographic findings of an abnormally increased nuchal translucency (the area at the back of the fetal neck) between 11 1/7 to 13 6/7 weeks gestation. It also affords women greater privacy and less health risks if they elect to terminate the pregnancy. Detecting problems earlier in the pregnancy may allow women to prepare for a child with potential health problems. If tests are positive (abnormal), it allows women to take advantage of prenatal chorionic villus sampling (CVS) at 10-12 weeks, rather than the traditional amniocentesis usually done after 15 weeks. When tests are negative (normal), it may help reduce maternal anxiety earlier. First trimester screening testsįirst trimester screening tests offer several potential advantages over second trimester screening. Hopefully, the information provided here will help you make that decision. You have to make the right decision for you. ![]() Many people decide against any testing at all- their reasons may be varied from- “I wouldn’t do anything different anyways”, to “It would just make me worry the whole pregnancy”, to “I will deal with the issues once the baby is born”, to “I know there are a lot of false positives and I don’t want to be led down the wrong path”. Most of all, we want you to enjoy your pregnancy and look forward to the best outcome possible. It can be very overwhelming to decide as to which, if any, is appropriate for you. There are several screening options for you to choose from.
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