[The behavior of cytoplasmic progesterone receptors in the cycling endometrium and the effect of hormonal contraceptives].


Concentration of cytosolic progesterone receptor (PR) was measured by means of an exchange procedure in the endometria of 80 women. Investigations carried out in 35 normal menstruating females showed a gradual increase of PR during the preovulatory and immediate postovulatory phases, decreasing to the lowest level at the end of the cycle. Measurements in… (More)


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