Between Christa's 14^th Through 20^th Week of Pregnancy,a Prenatal Medical

Multiple Choice

Between Christa's 14^th through 20^th week of pregnancy,a prenatal medical procedure was done in which a sample of amniotic fluid was withdrawn by syringe and tested to discover if the fetus was suffering from any chromosomal or metabolic disorders.What is this procedure called?

A) maternal blood test
B) ultrasound
C) amniocentesis
D) chorionic villi sampling