A procedure that involves removing a sample of tissue from part of the placenta that is done 9 to 12 weeks into a pregnancy is called
A) amniocentesis.
B) chorionic villus sampling.
C) ultrasound.
D) maternal glucose test.

Question

A procedure that involves removing a sample of tissue from part of the placenta that is done 9 to 12 weeks into a pregnancy is called
A) ​amniocentesis.
B) ​chorionic villus sampling.
C) ​ultrasound.
D) ​maternal glucose test.

Quizplus · Accepted Answer

The procedure described is chorionic villus sampling, which involves removing a sample of tissue from part of the placenta. Amniocentesis involves removing a sample of amniotic fluid later in the pregnancy, typically between weeks 15 and 20. Ultrasound is a diagnostic test that uses high-frequency sound waves to create images of the inside of the body. A maternal glucose test is a screening test for gestational diabetes, which involves checking the mother's blood glucose levels after drinking a sugary solution.

A Procedure That Involves Removing a Sample of Tissue from Part