Estradiol benzoate/hydroxyprogesterone caproate
< Estradiol benzoate
| 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. It contains estradiol benzoate (EB), an estrogen, and hydroxyprogesterone caproate (OHPC), a progestin. The medication is given by injection into muscle.