<unk>  (EV/OHPC), sold under the brand names Gravibinon and Injectable No. 1 (or Chinese Injectable No. 1) among others, is a combined estrogen and progestogen medication which is used in the treatment of threatened miscarriage and other indications (e.g., as a means of pseudopregnancy) and as a form of combined injectable birth control to prevent pregnancy. It contains estradiol valerate (EV), an estrogen, and<unk>  caproate (OHPC), a progestin. The medication is given by injection into muscle once a day to once a month depending on the indication.
Estradiol valerate/hydroxyprogesterone caproate
Estradiol benzoate/hydroxyprogesterone caproate
Testosterone propionate/testosterone enanthate
Estradiol dipropionate/hydroxyprogesterone caproate
Estradiol valerate/testosterone enanthate
Estradiol benzoate/testosterone propionate
Estradiol cypionate/hydroxyprogesterone caproate
Estradiol benzoate/progesterone/testosterone propionate