If you have an abnormal result, you will have another ultrasound to check the age of the developing baby steps. The test measures levels of 4 pregnancy hormones: If the test does not measure levels of inhibin A, it is called the triple screen test. Copyright ©2003 A.D.A.M., Inc., as modified by University of California San Francisco. If the test is abnormal, you may want to talk to a genetic counselor. What is the Quadruple or Combined Test? You may also feel some throbbing at the site after the blood is drawn.
8th ed. The test is done to find out if your baby might be at risk for certain birth defects, such as Down syndrome and birth defects of the spinal column and brain (called neural tube defects). Normal levels of AFP, hCG, uE3, and inhibin A.
You may feel slight pain or a sting when the needle is inserted. Normal value ranges may vary slightly among different laboratories. Normal Values. Any duplication or distribution of the information contained herein is strictly prohibited. Low levels of AFP and estriol and high levels of hCG and inhibin A may be due to a problem such as: The quadruple screen can have false-negative and false-positive results (although it is slightly more accurate than the triple screen). Talk to your health care provider about the meaning of your specific test results. Possible next steps include: During pregnancy, increased levels of AFP may be due to a problem with the developing baby, including: High AFP can also mean that youÃÂ¢ÃÂÃÂre carrying more than one baby. Talk to your health care provider about the meaning of your specific test results. Further tests and counseling may be recommend if the ultrasound shows a problem. A blood sample is needed. More tests and counseling may be recommended if the ultrasound shows a problem. Based on the review of the published data, the CDC and the American Heart Association (AHA) have recommended the following guidelines for assessment of …
Philadelphia, PA: Elsevier; 2019:chap 32. Gabbe's Obstetrics: Normal and Problem Pregnancies. © 1997-, Alpha-fetoprotein (AFP), a protein produced by the baby, Human chorionic gonadotropin (hCG), a hormone produced in the placenta, Unconjugated estriol (uE3), a form of the hormone estrogen produced in the fetus and the placenta, Inhibin A, a hormone released by the placenta, Women who are over 35 years old during pregnancy, Women with a family history of birth defects. 77: screening for fetal chromosomal abnormalities. Certain women are at greater risk of having a baby with these defects, including: Normal levels of AFP, hCG, uE3, and inhibin A.
A blood sample is taken and sent to the lab for testing. Certain women are at greater risk for having a baby with these defects. The test results will likely be sent to your doctor, and you may be able to look them up yourself on a computer if you have access to sign into your medical records. An abnormal test result does NOT mean that your baby definitely has a birth defect.
A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. This means it does not diagnose birth defects. What Abnormal Results Mean. In: Resnik R, Lockwood CJ, Moore TR, Greene MF, Copel JA, Silver RM, eds. However, some people choose not to have any more tests done, for personal or religious reasons. Talk to your health care provider about the meaning of your specific test results. PMID: 26938573 pubmed.ncbi.nlm.nih.gov/26938573/. Tests to detect or rule out certain birth defects (such as Down syndrome). Call us at (888) 689-UCSF or browse our directory. Normal Results. You can eat or drink normally before the test. Philadelphia, PA: Elsevier; 2021:chap 10.