1. A therapeutic composition having progestational activity comprising as active ingredient a 17-aliphatic carboxylic acid ester of 17.alpha.-ethynyl-18-methyl-19-nortestosterone and a pharmaceutical carrier for said compound.
一种具有孕激素活性的治疗组合物,其活性成分为17-
脂肪族羧酸酯的17α-
乙炔基-18-
甲基-19-去
甲睾酮,以及用于该化合物的药用载体。