Health Library
The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.
Nuchal Translucency Screening Test
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The nuchal (say "NEW-kuhl") translucency screening is a test done during pregnancy. It uses ultrasound to measure the thickness of the fluid buildup at the back of the developing baby's neck. If this area is thicker than normal, it can be an early sign of Down syndrome, trisomy 18, or heart problems. The test is...
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What is the first-trimester screening for birth defects? Near the end of the first 3 months of pregnancy (first trimester), a woman can have two types of tests to show the chance that her baby has a birth defect. When the results are combined, these tests are known as the first-trimester screening. They also may be...
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Guides you through the decision to have screening tests to look for Down syndrome and birth defects. Discusses what the tests look for. Covers benefits and risks. Includes interactive tool to help you make your decision.
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Routine exams At each prenatal visit during your first-trimester, you'll be weighed and have your blood pressure checked. Your urine may also be checked for bacteria, protein, or sugar. Your doctor will monitor your fetus's growth by measuring the height of your uterus (fundal height) above your pubic bone. Using a...