Karyotyping of fetus can be done by all Except
Karyotyping is a test to examine chromosomes in a sample of cells. This test can help identify genetic problems as the cause of a disorder or disease. In utero sampling of fetal skin, liver, and muscle may be required to diagnose before-bih disorders that cannot be diagnosed by analysis using chorionic villi or amniotic fluid. Refer robbins 158
Chorionic villus sampling
Cordocentesis
Amniocentesis
Fetal skin biopsy
General pathology