Abstract
Summary
Testosterone propionate, progesterone and 17-ethyl-19-nortestosterone are all antagonists of estrone-induced uterine growth in intact immature mice. Progesterone has about 1.4 times and 17-ethyl-19-nortestosterone has about 70 times the potency of testosterone propionate. This high activity of 17-ethyl-19-nortestosterone did not appear to correlate with the androgenic, anabolic, progestational or metrotropic properties.
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