polymenorrhagia polymenorrhagia polymenorrhagia, also known as frequent and heavy periods or frequent and heavy menstrual bleeding as well as epimenorrhagia or polyhypermenorrhea, is a menstrual disorder which refers to a combination of polymenorrhea (frequent menstrual bleeding) and menorrhagia (heavy menstrual bleeding). polymenorrhagiaother namesfrequent and heavy periods; frequent and heavy menstrual bleeding; frequent and heavy menstruation; excessive and frequent menstruation; epimenorrhagia; polyhypermenorrhea; polyhypermenorrhoea; polyhypermenorrhœa; hyperpolymenorrheaspecialtygynecology