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.
Quad Screening
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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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What is the triple or quad screening? The triple screening measures the amounts of three substances in a pregnant woman's blood: alpha-fetoprotein (AFP), human chorionic gonadotropin (hCG), and estriol (uE3). When a test for the hormone inhibin A is added, it's called a quad screening. These tests are also called...
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Routine exams and tests At each prenatal visit, you can expect to be weighed. Your blood pressure will be checked. Your urine may also be checked for bacteria, protein, or sugar. Your doctor or midwife will track your baby's growth and position. To do this, he or she will measure the size of your uterus (fundal height)...