Chorionic Villus Sampling (CVS)Select New Issue Button

Chorionic villus sampling, or CVS, is a test that uses a sample of the placenta to find genetic or chromosomal diseases and birth defects. Healthcare providers typically recommend a CVS if the fetus is at risk of having a birth defect, based on early screening tests (maternal blood test or fetal ultrasound), the mothers health or family medical history. The procedure usually takes place between weeks 10 and 12 of pregnancy.


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