____ is an earlier fetal cell testing procedure, but ____ carries less risk of causing premature birth.

A. Amniocentesis; Maternal Phlebotomy
B. Amniocentesis; Chorionic Villus Sampling
C. Chorionic Villus Sampling; Amniocentesis
D. Maternal Phlebotomy; Amniocentesis
E. Maternal Phlebotomy; Chorionic Villus Sampling


Answer: C. Chorionic Villus Sampling; Amniocentesis

Biology & Microbiology

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