Menstrual Cycle Endocrinology
Ovarian and Female Reproductive Endocrinology
Menstrual Cycle Endocrinology
Menstrual endocrine regulation involves changing gonadotropins, steroids and inhibins across follicular and luteal phases.
A changing reproductive system
Ovarian function integrates follicular development, gonadotropin input, local signaling and changing steroid feedback. Hormone patterns differ across the cycle and life stages. Timing relative to ovulation or menstrual phase is often essential for interpreting a sample.
Interpreting the mechanism
Cycle length and hormonal timing vary, so calendar day alone is imprecise.
Health and training
Cycle disturbance has several possible causes and should not be assumed to be a normal training effect. Energy availability, pregnancy, medication use and endocrine conditions require consideration. Physiological cycle differences alone do not establish one universally optimal training schedule.
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