The best time to do chorionic villous sampling is
Ans. is d i.e. Between 11 - 13 weeks Chorionic villi sampling "CVS is the second most common procedure for genetic prenatal diagnosis. Because this procedure is routinely performed at about 10 to 12 weeks of gestation, it allows for an earlier detection of abnormalities and a safer pregnancy termination, if desired."
Between 6-8 weeks
Between 7-9 weeks
Between 9-11 weeks
Between 11-13 weeks