Transabdominal CVS can be done in:: (A) 7-9 weeks, (B) 11-13 weeks, (C) 8-9 weeks, (D) done before 10 weeks
Answer is B. chorionic villous sampling trancervical:done in 10-12 weeks transabdominal:10 weeks to term D.C.DUTTA&;S TEXTBOOK OF OBSTETRICS,Pg no:107,7th edition