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estrogen ↔ menses

Relations (1)

related 2.00 — strongly supporting 3 facts

Estrogen levels influence the hormonal regulation of the menstrual cycle, specifically declining FSH levels once menses begins as described in [1] and [2], while [3] notes that estrogen is at its lowest point on the first day of menses.

Facts (3)

Sources
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.
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.
The Menstrual Cycle | Patient Education - UCSF Health ucsfhealth.org UCSF Health 1 fact
claimThe first day of menses is identified as cycle day one, at which point estrogen levels are at a low point.