Q. Menstrual flow occurs due to lack of
A) Progesterone
B) FSH
C) Oxytocin
D) Vasopressin
Explanation
[Solution from source] Without fertilisation the corpus luteum degenerates and progesterone falls, so the endometrium breaks down and is shed as menstrual flow. FSH, oxytocin and vasopressin do not maintain the endometrium. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.