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M. A. Spyker, R. S. Fidler, Glycogen Studies on Human Endometrium: Correlation of Quantitative Chemical Estimation and the Qualitative Demonstration by Histological Methods, The Journal of Clinical Endocrinology & Metabolism, Volume 2, Issue 6, 1 June 1942, Pages 365–368, https://doi.org/10.1210/jcem-2-6-365
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Abstract
The quantitative estimation of glycogen in the endometrium was first made by Van Slyke and Chen (1) in 1936, using the female macaque. They stated that there was an increase in glycogen in the differentiative stage over that of the proliferative stage, noting that in the proliferative stage the endometrium contained 0.3 gm. per cent, the differentiative phase 0.53 gm. per cent of glycogen and that on the first day of ovulatory menstruation there was an even slightly higher increment.
Zondek, in 1940 (2, 3) noted the same relationship in human endometrium. He reported 0.38 gm. per cent in the proliferative phase, 0.437 in the interval phase, and 0.427 gm. per cent of glycogen in the differentiative stage.
Randall and Power, in 1942, (4) estimated the glycogen content of human endometrium taken by curettage; they noted in the late proliferative phase an average of 0.171 gm. per cent, in the early differentiative phase, an average of 1.09, and in the late differentiative phase, an average of 0.71 gm. per cent of glycogen.
