Brachymenorrhea: Or something else? Differential Diagnosis

Endocrine, nutritional, and metabolic diseases (E00-E90).

Psyche – nervous system (F00-F99; G00-G99)

  • Anorexia nervosa (anorexia nervosa)

Genitourinary system (kidneys, urinary tract – sex organs) (N00-N99).

Medication

  • Oral contraceptives (birth control pills)