A 29-year-old woman has been trying for many months to become pregnant, and fertilization has just occurred following her most recent ovulation
What process will now occur that will differentiate this ovulatory cycle from those prior?
A)
Human chorionic gonadotropin will be produced, preventing luteal regression.
B)
The remaining primary follicles will provide hormonal support for the first 3 months of pregnancy.
C)
The corpus luteum will atrophy and be replaced by corpus albicans.
D)
The basal layer of the endometrium will be sloughed in preparation for implantation.
Ans:
A
Feedback:
Fertilization is followed by the release of human chorionic gonadotropin. The corpus luteum, not primary follicles, provides hormonal support for early pregnancy. The atrophy of corpus luteum and its replacement by corpus albicans only occur when fertilization does not take place. The endometrium will be preserved following fertilization.
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