Hormone Dynamics: Estrogen, Progesterone, LH, and FSH Explained

The feedback loop between the brain pituitary gland and the ovaries.

Published by Period Circle Editorial Team • Reading Time: 8 min read • Public Reference Guide (No Login Required)

The Hypothalamic-Pituitary-Ovarian (HPO) Axis

GnRH pulses dictate FSH and LH release, orchestrating ovarian hormone production.

Maintaining healthy progesterone levels in the luteal phase prevents symptoms of relative estrogen dominance.

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