From: The impact of COVID-19 on menstrual cycle’s alterations, in relation to depression and sleep disturbances: a prospective observational study in a population of medical students
Number/total %
Menstrual cycle’s alterations
Oligomenorrhea
73/293 (24.9%)
133/293 (45.4%)
Polymenorrhea
37/293 (12.6%)
Amenorrhea
23/293 (7.8%)
Dysmenorrhea
Premenstrual syndrome
155/293 (52.9%)