Menses infrequent | Oligomenorrhea | Oligomenorrhoea | Oligomenorrhoea NOS | Oligomenorrhoea primary | Oligomenorrhoea secondary | Scanty or infrequent menstruation | Menstrual cycle prolonged | Oligomenorrhea primary | Oligomenorrhea secondary | Infrequent menstruation | Opsomenorrhea | Opsomenorrhoea | Oligomenorrheas |