Age-related morphometrical peculiarities of Lithuanian women's primordial ovarian follicles.

Background: For the first time, thorough morphometrical measurements of primordial ovarian follicles were performed and their age-related changes were investigated in Lithuanian women of the reproductive age.

Methods: Ovaries of dead women (n = 30) were divided into six age groups: 15-20 years old, 21-25 years old, 26-30 years old, 31-35 years old, 36-40 years old and 41-46 years old. Histological slides of left and right ovaries were stained using haematoxylin-eosin and periodic acid-Schiff (PAS) staining methods.