Figure 1From: Using an Ishikawa diagram as a tool to assist memory and retrieval of relevant medical cases from the medical literature Ishikawa diagram. 'Woman's reproductive system' includes causes such as pregnancy, polycystic ovary syndrome, ovarian tumor, and ovarian failure. 'Other systems in the body' includes causes such as hypothyroidism, Cushing syndrome, hyperprolactinemia, and eating disorders. 'Psychosocial' includes causes such as excessive stress and excessive physical exercise. 'Miscellaneous' includes causes such as prolonged use of drugs, for example anti-psychotics, and after oral contraceptive/depot medroxyprogesterone treatment.Back to article page