Knowledge Tree
Relations (1)
related 3.46 — strongly supporting 10 facts
Pregnancy and menstruation are linked as mutually exclusive outcomes of the reproductive cycle, where menstruation occurs specifically when pregnancy does not take place [1], [2]. The hormonal shifts and uterine changes that prepare for pregnancy are directly reversed or shed during menstruation if fertilization fails to occur [3], [4], [5].
Facts (10)
Sources
how hormonal imbalance manifests differently in men and women healthmiro.com 2 facts
claimWomen experience significant hormonal changes during menstruation, pregnancy, and menopause, while men experience hormonal changes during andropause (male menopause).
claimWomen experience significant hormonal fluctuations due to the cyclical nature of their reproductive system, particularly during menstruation, pregnancy, and menopause.
Female Reproductive System: Structure & Function my.clevelandclinic.org 1 fact
claimMenstruation is the periodic shedding of the uterine lining when pregnancy does not occur during a cycle, often referred to as a period.
Reproductive Hormones endocrine.org 1 fact
claimThe corpus luteum breaks down if a woman does not become pregnant, which lowers progesterone levels and triggers menstruation.
Follicular Phase Of Menstrual Cycle - Cleveland Clinic my.clevelandclinic.org 1 fact
claimThe corpus luteum produces pregnancy hormones; if pregnancy does not occur, the corpus luteum disappears and the uterus lining is shed during menstruation.
Female reproductive organs: Anatomy and functions kenhub.com 1 fact
claimThe endometrial lining of the uterus proliferates each month to prepare for embryo implantation; if fertilization occurs, the uterus houses the fetus and placenta, but if pregnancy does not occur, the lining is shed during menstruation.
Female reproductive system en.wikipedia.org 1 fact
claimDuring menopause, menstruation ceases, the ovaries stop releasing eggs, and the uterus stops preparing for pregnancy.
The menstrual cycle | Better Health Channel betterhealth.vic.gov.au 1 fact
claimIf pregnancy occurs, menstruation does not happen; if pregnancy does not occur, menstruation happens and the menstrual cycle restarts.
Cycle Syncing: How to Understand Your Menstrual Cycle to Reduce ... healthmatters.nyp.org 1 fact
claimIf pregnancy does not occur, estrogen and progesterone levels, which peak in the early part of the luteal phase, begin to drop, leading to the start of menstruation.
The Normal Menstrual Cycle and the Control of Ovulation - NCBI - NIH ncbi.nlm.nih.gov 1 fact
claimIn the absence of pregnancy, steroid hormone levels fall due to declining corpus luteum function, and progesterone withdrawal results in increased coiling and constriction of the spiral arterioles, leading to menstruation.