The histological dating of the human corpus luteum of menstruation

摘要: Ovaries and endometriums of approximately 400 specimens collected from women in active menstrual life suffering a variety gynecological disorders all nonpregnant were sectioned prepared by routine histological techniques order to date the corpora lutea. Cas es arranged chronological day ovulation 4th menstruation according endometrial dating. Corpora lutea then independently dated. 213 samples satisfactory as examples each corpus luteum. Days 1-8 are process development distinct one another. 9-12 show evidence progressive secretory exhaustion. The exact this time period is difficult discern. Mulberry cells distinguish 13-14 days previous group. during extremely variable amount cellular degeneration although they an extreme concentration nuclei great variation size structure which distinguishes them those 2 preceding days. Mitoses rarely seen first 4 never after Day 4. Bleeding into central cavity may occur on any but usually accompanies menstruation.