Prenatal diagnosis – OB2
This document is about prenatal diagnosis, which is the early identification of fetuses with chromosomal abnormalities. It discusses the procedures of amniocentesis and chorionic villus sampling, as well as non-invasive prenatal testing using maternal plasma DNA. It also mentions the indications for considering maternal plasma DNA testing and the various screening tests available for chromosomal aneuploidies. The document provides information on the timing, risks, and limitations of these diagnostic and screening methods.
