RT Book, Section A1 Gomella, Tricia Lacy A1 Eyal, Fabien G. A1 Bany-Mohammed, Fayez SR Print(0) ID 1168355486 T1 Fetal Assessment T2 Gomella's Neonatology: Management, Procedures, On-Call Problems, Diseases, and Drugs, 8e YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9781259644818 LK accesspediatrics.mhmedical.com/content.aspx?aid=1168355486 RD 2024/04/19 AB Prenatal diagnosis refers to those testing modalities used during pregnancy to screen and diagnose fetal aneuploidies and anomalies. Counseling is recommended, ideally in the first trimester, prior to pursuing any type of prenatal screening or diagnostic testing. Screening tests provide risk assessment and determine whether the individual is at increased risk for having a fetus with a genetic condition. Diagnostic testing determines if the fetus is affected by a chromosomal or genetic abnormality by analyzing the fetal DNA through invasive testing. Evolving technology has made the use, interpretation, and choice of appropriate test for each individual challenging for both patients and providers.