Term	Definition
Menorrhagia	Prolonged or excessive bleeding at regular intervals
Metrorrhagia	Irregular, frequent uterine bleeding of varying amounts but not excessive
Menometrorrhagia	Prolonged or excessive bleeding at irregular intervals
Polymenorrhea	Regular bleeding at intervals of less than 21 days
Oligomenorrhea	Bleeding at intervals greater than every 35 days
Amenorrhea	No uterine bleeding for at least 6 months
Intermenstrual	Uterine bleeding between regular cycles