September 4, 2026 · Fertility and sterility · DOI: 10.1016/j.fertnstert.2026.08.1131

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

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The authors aim to describe the age-associated distribution of primordial follicle density (PFD) in ovarian cortical tissue from post-pubertal females undergoing cryopreservation, particularly focusing on individuals aged 20-34 years. Their findings indicate a nonlinear decline in PFD with age, revealing a median decrease from 1.18 follicles/mm² at age 20 to 0.49 follicles/mm² at age 34. The study highlights the need for larger multicenter research to better understand the implications of PFD on ovarian tissue transplantation outcomes.

Murat Erden, Soner Celik, Kutluk H Oktay

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