Gynaecology & Obstetrics Karyotyping of fetus can be done through all of the following invasive methods except: A Amniocentesis B Cordocentesis C Chorionic villous sampling D fetal skin biopsy 💡 Explanation Karyotyping of fetus can be done through all of the following invasive methods except: ✓ Correct Answer: D. fetal skin biopsy