ɪt hɐz lˈoʊ ˌɛstɹoʊdʒˈɛnɪk æktˈɪvᵻɾi vˈaɪəɹ ɚɹˌoʊmɐɾᵻzˈeɪʃən ˌɪntʊ ˈɛθaɪlstɹˌeɪdɪˌɑːl fˈɑːloʊɪŋ tɹænsfoːɹmˈeɪʃən ˌɪntʊ nˈoːɹɪthˌændɹəlˌoʊn, stɹˈɔŋ pɹoʊdʒˈɛstoʊdʒˈɛnɪk æktˈɪvᵻɾi, ænd ɐ hˈaɪ ɹˈeɪʃɪˌoʊ ʌv ˌænɐbˈɑːlɪk tʊ ˌændɹoʊdʒˈɛnɪk æktˈɪvᵻɾi, sˈɪmɪlɚli tʊ ˈʌðɚ nˈændɹəlˌoʊn dᵻɹˈɪvətˌɪvz.
It has low estrogenic activity (via aromatization into ethylestradiol following transformation into norethandrolone), strong progestogenic activity, and a high ratio of anabolic to androgenic activity, similarly to other nandrolone derivatives.