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    Exam 42: Animal Reproduction
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    Menstruation Occurs When There Is a Decrease in
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Menstruation Occurs When There Is a Decrease in

Question 109

Question 109

Multiple Choice

Menstruation occurs when there is a decrease in


A) the number of follicles.
B) the number of sperm present.
C) levels of estrogen and progesterone.
D) endometrial thickness.
E) levels of FSH and LH.

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