Primordial follicle density

1. Homo sapiens decrease primordial follicle density in humans (from 1.18 follicles/mm2 at age 20 to 0.49 follicles/mm2 at age 34).

   “Primordial follicle density declined nonlinearly with age, with wide interindividual variability.”

   Humanswith advancing ageovarian cortical tissuefemalesn = 33

   Age-Associated Primordial Follicle Density in Human Ovarian Cortical Tissue from Post-Pubertal Females Undergoing Ovarian Tissue Cryopreservation and Transplantation: A Descriptive Analysis

   Fertility and sterility·4 Sep 2026

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