Menstrual cycle disturbances

Menstrual cycle disorders include the following: rare periods (oligomenorrhea), short periods (hypomenorrhea), frequent periods (more often than every 21 days, polymenorrhea), very long periods (lasting longer than 7 days, hypermenorrhea), painful periods (dysmenorrhea), bleeding between periods (metrorrhagia), absence of periods (amenorrhea).

Source | Author Doctor Nikas Samuolis, reviewed by Prof. Virginijus Šapoka | Vilnius University | Faculty of Medicine | Head of the Department of Internal Medicine, Family Medicine, and Oncology