dʒˈɛstɹɪnˌɑːn ˈɔːlsoʊ ɪnhˈɪbɪts ɡˈɑːnɐdˌɑːtɹəpˌɪn sᵻkɹˈiːʃən ænd kˈɔːzᵻz ɐmˈɛnɔɹˌiə ɔːɹ ˈɑːlɪɡˌoʊmnɔɹˌiə ɪn ɐ hˈaɪ pɚsˈɛntɪdʒ ʌv wˈɪmɪn.
Gestrinone also inhibits gonadotropin secretion and causes amenorrhea or oligomenorrhea in a high percentage of women.