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related 3.58 — strongly supporting 11 facts

Estrogen and follicles are intrinsically linked in the menstrual cycle, where developing follicles produce estrogen [1], and rising estrogen levels subsequently regulate follicle development and selection through feedback mechanisms {fact:4, fact:7, fact:10} and trigger ovulation from the mature follicle {fact:3, fact:5, fact:6, fact:11}.

Facts (11)

Sources

Follicular Phase Of Menstrual Cycle - Cleveland Clinic my.clevelandclinic.org Cleveland Clinic 2 facts

claimHigh estrogen levels toward the end of the follicular phase trigger the pituitary gland to release a surge of luteinizing hormone (LH), which causes the mature egg to be released from the follicle and ovary during ovulation.

claimIncreased estrogen levels trigger the pituitary gland to decrease the production of follicle-stimulating hormone (FSH), causing non-dominant follicles to wither and be reabsorbed by the body.

The Menstrual Cycle | Patient Education - UCSF Health ucsfhealth.org UCSF Health 2 facts

claimFollicle-stimulating hormone (FSH), produced by the pituitary gland, initiates follicle (egg) development and causes estrogen levels to rise.

claimAs a dominant follicle grows, blood levels of estrogen rise significantly by cycle day seven, which inhibits the secretion of FSH and causes smaller follicles to die off.

Female Reproductive System: Structure & Function my.clevelandclinic.org Cleveland Clinic 2 facts

claimAs estrogen levels rise during the follicular phase, the hormone acts as a switch to turn off the production of follicle-stimulating hormone (FSH), limiting the number of follicles that prepare eggs for release.

procedureDuring the ovulatory phase, the rise in estrogen from the dominant follicle triggers a surge in luteinizing hormone (LH) production by the brain, which causes the dominant follicle to release its egg from the ovary.

The Normal Menstrual Cycle and the Control of Ovulation - NCBI - NIH ncbi.nlm.nih.gov Feingold KR, Adler RA, Ahmed SF · National Center for Biotechnology Information 2 facts

claimOnce menses begins, FSH levels decline due to the negative feedback of estrogen and the negative effects of inhibin B produced by the developing follicle.

Menstrual Cycle Phases: Decoding the Stages - Perelel perelelhealth.com Perelel 2 facts

claimDuring the ovulation phase, estrogen levels peak, triggering a spike of luteinizing hormone (LH), which causes the release of the mature egg from its follicle into the fallopian tube towards the uterus.

claimWhen estrogen levels reach their peak, they trigger the release of luteinizing hormone (LH) from the brain, which causes the egg to be released from the follicle.

Understanding the Phases of the Menstrual Cycle - Clue helloclue.com Clue 1 fact

claimAfter ovulation, the empty follicle transforms into the corpus luteum, which produces progesterone and some estrogen to support a potential pregnancy.