It is a white, odourless crystalline powder practically insoluble in water; soluble in 17 parts of acetone, in 52 parts of ethanol (96%), and in 180 parts of fixed oils.The tablets contain dydrogesterone, lactose, hypromellose, starch maize, silica colloidal anhydrous, magnesium stearate, and opadry white Y-1-7000 E171.