amenorrhea (absence of menstruation); amenorrhoea
menstrual irregularity; irregular menstruation
dysmenorrhea; dysmenorrhoea
menstrual pain; menstrual cramps; algomenorrhea
menorrhea; hypermenorrhea; epimenorrhagia; profuse menstruation
hypermenorrhea; menorrhagia
anovulatory menstruation; non-ovulatory menstruation