Some diagnostic tests may have some risks for your baby, like miscarriage. If a screening test shows your baby is at high risk of a health condition, your provider may recommend a diagnostic test to confirm the results. There are no risks to you or your baby when you have a screening test.ĭiagnostic tests tell you for sure if your baby has a health condition. Screening tests check to see if your baby is more likely to have a health condition, but they don’t tell you for sure if you baby has a condition. What are screening tests and diagnostic tests? A genetic counselor has training to help you understand about birth defects and other medical conditions that run in families and how they can affect your health and your baby's health. If there is a history of certain health conditions in your family, you may want to talk with a genetic counselor. Sometimes these conditions are passed from parent to child, and sometimes they happen on their own. A common chromosomal condition is Down syndrome. Genetic conditions include cystic fibrosis (also called CF), sickle cell disease and heart defects. A chromosome is the structure in cells that holds genes. A gene is part of your body's cells that stores instructions for the way your body grows and works. These conditions are caused by changes in genes and chromosomes. Birth defects can cause problems in overall health, how the body develops or how the body works. They change the shape or function of one or more parts of the body. These are health conditions that are present at birth. These prenatal tests check to see if your baby has any health problems, including: There are other tests that are done at certain times during your pregnancy. These tests make sure you and your baby are staying healthy. You get some prenatal tests several times during pregnancy at your prenatal care checkups. They help your health care provider find out how you and your baby are doing. Prenatal tests are medical tests you get during pregnancy. What are prenatal tests and why are they important?
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