A) amniocentesis
B) chorionic biopsy
C) foetal blood sampling
D) ultrasonography.
Correct Answer: D
Solution :
: Ultrasonography is the only non-invasive method while the other three are invasive methods requiring penetration of the tissue by needle. Visualization of foetus in utero by ultrasound in order to check on possible gross malformation or difficult presentation. Amniocentesis is the transabdominal puncture of amniotic sac to obtain a small sample of amniotic fluid for the prenatal diagnosis of disease in the foetus. Chorionic biopsy is the aspiration of tissue from chorion.
You need to login to perform this action.
You will be redirected in
3 sec
