Menstrual flow occurs due to lack of

Biology
,
#1

Menstrual flow occurs due to lack of

  1. Progesterone

  2. FSH

  3. Oxytocin

  4. Vasopressin

#2

Menstrual flow occurs due to a lack of Progesterone. Progesterone levels drop when a pregnancy does not occur, signaling the body to shed the uterine lining, which results in menstruation. FSH (Follicle-Stimulating Hormone), Oxytocin, and Vasopressin are not directly responsible for menstrual flow.

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