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Prenatal genetic diagnostic testing involves clinicians invasively obtaining tissue via amniocentesis or chorionic villus sampling to identify if a fetus has a genetic condition. This testing has traditionally been done through fluorescence in-situ hybridization, karyotype, or chromosomal microarray analysis. However, genetic testing is in a time of rapid technologic expansion and new methods like NGS, which includes targeted gene panels, whole exome sequencing, and whole genome sequencing are being used too. In this time of growth, it is important that providers educate themselves on the research support and indication behind each type of genetic diagnostic test.
Jenkins et al. (2022) studied this question.