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Welcome to this tutorial on Amniocentesis and Chorionic Villus Sampling-Green top Guideline No.8
Pregnant women are offered amniocentesis or chorionic villus sampling (CVS) for prenatal diagnosis for a variety of reasons including a higher chance aneuploidy screening result, fetal structural anomaly, or a known risk of inherited genetic disease.
CVS is usually performed between 11+0 and 13+6 weeks of gestation. If required, CVS can be performed between 14+0 and 14+6 weeks’ gestation. Individualised counselling of the merits of CVS versus amniocentesis should be provided for women considering CVS during this time period. Amniocentesis, performed to obtain amniotic fluid for analysis, is usually offered from 15+0 weeks.
View the full guideline: https://www.rcog.org.uk/guidance/browse-all-guidance/green-top-guidelines/amniocentesis-and-chorionic-villus-sampling-green-top-guideline-no-8/
Access additional learning content about this Guideline via this tutorial.