Which is a likely cause for the absence of menstrual flow in a nonpregnant woman?
A) The myometrium experiences excessive contractions in the menstrual phase.
B) Estrogen concentration is significantly reduced.
C) Prostaglandins are not released in the menstrual phase.
D) The corpus luteum does not release the hormone relaxin.
E) Uterine arteries are constricted in the menstrual phase.

Question

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The Answer of Which is a likely cause for the absence of menstrual flow in a nonpregnant woman?
A) The myometrium experiences excessive contractions in the menstrual phase.
B) Estrogen concentration is significantly reduced.
C) Prostaglandins are not released in the menstrual phase.
D) The corpus luteum does not release the hormone relaxin.
E) Uterine arteries are constricted in the menstrual phase.

Which Is a Likely Cause for the Absence of Menstrual