The feedback loop involving luteinizing hormone and estrogen is terminated by
A)ovulation, which directly inhibits luteinizing hormone secretion.
B)pregnancy.
C)birth.
D)nothing; the cycle cannot be terminated.
E)ovulation, which decreases estrogen secretion.

Question

Quizplus · Accepted Answer

Ovulation leads to a decrease in estrogen secretion, which in turn reduces the stimulation of luteinizing hormone (LH) secretion, thus terminating the feedback loop.

The Feedback Loop Involving Luteinizing Hormone and Estrogen Is Terminated