Asked by Griffin Newbold on May 12, 2024
Verified
Menstruation begins because
A) the pituitary triggers it.
B) LH activity is at its peak.
C) estrogen activity is at a peak.
D) progesterone production is highest.
E) progesterone and estrogen levels are both declining.
Progesterone
A steroid hormone released by the corpus luteum that stimulates the uterus to prepare for pregnancy.
Estrogen
A group of hormones critical for the development and functioning of female reproductive tissues and the regulation of the menstrual cycle.
Menstruation
The monthly shedding of the uterine lining in non-pregnant women, typically accompanied by bleeding, marking the start of the menstrual cycle.
- Master the understanding of the functions and repercussions of various hormones within the human reproductive system.
- Determine the steps and characteristics of the uterine and ovarian cycles.
Verified Answer
SK
Shanece Katrina HunsakerMay 13, 2024
Final Answer :
E
Explanation :
Menstruation begins because progesterone and estrogen levels are both declining. This decline triggers the shedding of the uterine lining, leading to menstruation.
Learning Objectives
- Master the understanding of the functions and repercussions of various hormones within the human reproductive system.
- Determine the steps and characteristics of the uterine and ovarian cycles.