A physician needs to investigate the cause of anovulation. Common causes are: #Polycystic ovary syndrome #Hypothalamic dysfunction #Perimenopause # Ovulatory Dysfunction #Thyroid disorders #Hyperprolactinemia #Eating Disorders, dieting or other Disordered eating #Female Athlete's Triad With excessive or prolonged bleeding the diagnosis has to be made by a physician on a speedy basis. Other causes of gynecological bleeding need to be excluded, specifically bleeding related to pregnancy, leiomyoma, and cancer of the cervix or uterus.
Anovulatory cycle
Anovulation
Antiestrogen withdrawal response
Premenstrual water retention
Obstetric transition
Progestin-induced virilization
Lactational amenorrhea
Menstrual cycle