Relations (1)

related 4.17 — strongly supporting 18 facts

The endometrial lining is essential for pregnancy, as it proliferates and thickens to prepare for embryo implantation {fact:2, fact:3, fact:17}. If fertilization occurs, the lining is maintained to support the pregnancy {fact:4, fact:9}, whereas if pregnancy does not occur, the lining is shed during menstruation {fact:1, fact:8, fact:10, fact:12}.

Facts (18)

Sources
Menstrual Cycle (Normal Menstruation): Overview & Phases my.clevelandclinic.org Cleveland Clinic 4 facts
claimDuring the luteal phase, progesterone levels rise to prepare the uterine lining for potential pregnancy.
claimA menstrual cycle is a reproductive system process that prepares the body for a possible pregnancy, beginning with the shedding of the uterine lining.
claimIf an egg is fertilized and implants in the uterine wall, pregnancy occurs; if pregnancy does not occur, estrogen and progesterone levels drop, causing the uterine lining to shed during the period.
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.
4 Phases of Menstrual Cycle: Hormone Changes Chart - Liv Hospital int.livhospital.com Liv Hospital 3 facts
claimDuring the follicular phase, estrogen thickens the uterine lining in preparation for pregnancy and influences physical and emotional health.
claimBefore a menstrual period begins, progesterone and estrogen levels rise to prepare the uterine lining; if pregnancy does not occur, these hormones drop sharply, which can cause premenstrual syndrome (PMS) symptoms.
claimThe rise in estrogen during the follicular phase is stimulated by follicle-stimulating hormone (FSH) produced by the pituitary gland, and this estrogen promotes the growth of the uterine lining in preparation for pregnancy.
Menstrual Cycle Phases: Decoding the Stages - Perelel perelelhealth.com Perelel 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.
claimIf pregnancy does not occur, estrogen and progesterone levels drop, causing the uterine lining to shed and triggering the menstrual period.
Understanding the Phases of the Menstrual Cycle - Clue helloclue.com Clue 2 facts
claimIn the late secretory phase, the body produces prostaglandins, which are hormone-like compounds that can cause cramps to help shed the uterine lining if pregnancy does not occur.
claimDuring the proliferative phase (occurring around days 6–14), the uterus rebuilds and thickens its lining to prepare for potential pregnancy, while the ovaries prepare eggs (oocytes) for release.
Understanding the Menstrual Cycle: A Breakdown of Its Four Phases raleighob.com Raleigh OB/GYN Centre 2 facts
claimIf an egg is fertilized and implants, the body produces human chorionic gonadotropin (hCG), which signals the corpus luteum to continue secreting progesterone to maintain the uterine lining and support early pregnancy.
claimDuring the luteal phase, the body secretes progesterone to prepare for potential pregnancy by maintaining the uterine lining.
Female Reproductive System: Structure & Function my.clevelandclinic.org Cleveland Clinic 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.
The menstrual cycle | Better Health Channel betterhealth.vic.gov.au Better Health Channel 1 fact
claimDuring the luteal phase, the egg travels through the fallopian tubes to the uterus, and the uterine lining continues to thicken in preparation for pregnancy.
Female reproductive organs: Anatomy and functions kenhub.com Kenhub 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.
Cycle Syncing: How to Understand Your Menstrual Cycle to Reduce ... healthmatters.nyp.org NewYork-Presbyterian 1 fact
claimIf an egg is fertilized by sperm during the luteal phase, it may attach to the uterine lining to begin pregnancy.
Reproductive Hormones endocrine.org Endocrine Society 1 fact
claimRelaxin is a hormone secreted in the ovary by the corpus luteum, and during pregnancy, it is also released by the placenta and the uterine lining.