Combination of | |
---|---|
Estradiol benzoate | Estrogen |
Hydroxyprogesterone caproate | Progestogen |
Clinical data | |
Trade names | Primosiston, others |
Other names | EB/OHPC |
Routes of administration | Intramuscular injection |
ATC code | |
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Estradiol benzoate/hydroxyprogesterone caproate (EB/OHPC), sold under the brand name Primosiston among others, is a combined estrogen and progestogen medication which is used to treat gynecological disorders and habitual abortion.[1][2][3][4][5] It contains estradiol benzoate (EB), an estrogen, and hydroxyprogesterone caproate (OHPC), a progestin.[1][2][3][4][5] The medication is given by injection into muscle.[1][2][3][4][5]