ObGyn Intelligence

ObGyn Intelligence

(Peri)Menopause

When Ovulation Stops: Understanding Amenorrhea as the Body’s Survival Reflex

The Obstetric Intellect - Menstruation follows ovulation, not the other way around. When ovulation ceases—whether in pregnancy, starvation, or stress—the body is protecting life, not failing it

Amos Grünebaum, MD's avatar
Amos Grünebaum, MD
Oct 25, 2025
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Menstruation follows ovulation, not the other way around. Every menstrual cycle begins not in the uterus but first in the brain, then the ovary and finally the uterus. When the brain tells the ovary not to ovulate, not to release the egg, when ovulation stops or occurs less often, menstruation stops too. The regular monthly bleeding that most women call…

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