Karyotyping of the fetus can be done through all of the following invasive methods except:
|A.||Chorionic villus sampling|
Fetal skin biopsy
Ans.D. Fetal skin biopsy
Currently, there are three routine ways of obtaining fetal tissue:
- Amniocentesis at 15 to 20 weeks of gestation.
- Chorionic villus sampling at 10 to 12 weeks.
- Percutaneous umbilical blood sampling (cordocentesis) past 18 weeks.