Multiple Choice
A woman in her second month of pregnancy has a miscarriage and is told that her developing embryo had implanted successfully but had poorly developed umbilical blood vessels.Which is the most likely cause of this malformation?
A) A malformed zona pellucida
B) Insufficient enzyme produced by the embryo to allow the blastocyst to hatch from its encapsulating extracellular layer
C) A malfunction of the endometrium
D) A defect in the extraembryonic membranes, such as the chorion and allantois
E) A defect in the yolk sac
Correct Answer:
Verified
Correct Answer:
Verified
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