Multiple Choice
What prenatal technique uses high-frequency waves to examine the characteristics of the foetus in utero?
A) Amniocentesis
B) Chorionic villus sampling
C) Alpha-fetoprotein AUL: Please confirm if changing 'alphafetal protein' to 'alphafetoprotein' is fine.
Should be: Alpha-fetoprotein
D) Ultrasound
Correct Answer:

Verified
Correct Answer:
Verified
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