ɪt hˈæzbiːn fˈaʊnd ðæt vˈædʒɪnəl dʒˈɛstɹɪnˌɑːn ʃˈoʊz fjˈuːɚɹ ˌændɹoʊdʒˈɛnɪk sˈaɪd ɪfˈɛkts ænd wˈeɪt ɡˈeɪn ðɐn ˈoːɹəl dʒˈɛstɹɪnˌɑːn wɪð ɪkwˈɪvələnt ɪfˈɛktɪvnəs ɪn ˌɛndoʊmˌɛtɹɪˈoʊsɪs.
It has been found that vaginal gestrinone shows fewer androgenic side effects and weight gain than oral gestrinone with equivalent effectiveness in endometriosis.