An International Journal of Obstetrics & Gynaecology. Amniocentesis and CVS are commonly offered to pregnant women for ...

Chorionic villus sampling (CVS) is a newer and slightly more risky alternative to amniocentesis that is performed earlier in the course of development, between 10 and 12 weeks of pregnancy.

Antenatal diagnosis of mtDNA diseases based on chorionic villus sampling is unreliable because it is unclear how mtDNA mutations are transmitted or segregate within families. Thus, the study of ...