Could Orgametril Be Taken Every Month To Stop Non Functional Vaginal Bleeding?

hi doctor

i am a pharmacist

i have a patient who suffers from non functional vaginal bleeding , the doctor prescribed her orgametril for one month, and no bleeding occured, after she stopped the medicine, the bleeding started again , i want to know if the orgametril could be used monthly to stop the bleeding & what is the dose regimen,

thanks