PERORAL MEDICINAL FORM WITH DIENOGEST AND ETHYLESTRADIOL FOR CONTRACEPTION.

摘要

Peroral drug form containing 17alpha-cyanomethyl-17Beta-hydroxy-estra-4,9-dien-3-one (dienogest) in an amount equal to or less than 2.0 mg and 17alpha-ethynyl-estradiol (ethinyl estradiol) in an amount less than 0.030 mg, characterized in that the crystalline active substance dienogest is contained with an average particle size of 30 to 270 µm.