Knowledge Tree
Relations (1)
related 3.00 — strongly supporting 7 facts
The menstrual cycle is defined by the periodic thickening and subsequent shedding of the endometrial (uterine) lining, as described in [1], [2], and [3]. The cycle's phases, such as the menses phase, are specifically characterized by the shedding of this lining when pregnancy does not occur, as detailed in [4], [5], and [6].
Facts (7)
Sources
Menstrual Cycle (Normal Menstruation): Overview & Phases my.clevelandclinic.org 3 facts
claimA menstrual cycle is a reproductive system process that prepares the body for a possible pregnancy, beginning with the shedding of the uterine lining.
claimHormones during the menstrual cycle cause the uterine lining to thicken to prepare for potential egg implantation and trigger the ovaries to release an egg during ovulation.
claimThe menses phase of the menstrual cycle begins on the first day of a period and involves the shedding of the uterine lining through the vagina if pregnancy has not occurred.
Menstrual Cycle Phases: Decoding the Stages - Perelel perelelhealth.com 2 facts
claimThe menstrual phase occurs on days 1–5 of the cycle, during which the uterine lining sheds if pregnancy did not occur, causing bleeding.
claimHormonal shifts during the menstrual cycle regulate ovulation, uterine lining changes, and physical symptoms such as cramps, mood shifts, and energy fluctuations.
Understanding the Menstrual Cycle: A Breakdown of Its Four Phases raleighob.com 1 fact
claimIf an egg is not fertilized, the corpus luteum breaks down, causing a drop in progesterone levels that triggers the shedding of the uterine lining and the start of the next menstrual cycle.
Female Reproductive System: Structure & Function my.clevelandclinic.org 1 fact
claimThe uterine lining thickens in response to the normal hormones of the menstrual cycle to prepare for potential implantation of a fertilized egg.