During the menstrual phase of the uterine cycle,
a. a new ovarian follicular phase is beginning.
b. estrogen and progesterone levels reach their lowest concentration.
c. vasoconstriction of the uterine vessels occurs in response to release of a uterine prostaglandin.
d. the corpus luteum degenerates.
e. all of these answers.
E
Anatomy & Physiology
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