Oligomenorrhea & amenorrhea

DDx

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  • Pregnancy
  • Anorexia nervosa

DDX

  • Pregnancy
  • Menopause or perimenopause
  • Polycystic ovary syndrome
  • Hypothalamic amenorrhea, eg, stress, weight change, exercise
  • Hyperprolactinemia
  • Hypothyroidism or hyperthyroidism
  • Diabetes mellitus
  • Premature ovarian failure
  • Other endocrine causes: Cushing’s syndrome, Addison’s disease, hypopituitarism (pituitary tumor), androgen-secreting tumor (adrenal, ovarian), congenital adrenal hyperplasia, acromegaly, Turner syndrome
  • Anorexia nervosa
  • Endometrial scarring (Asherman’s syndrome)
  • Anabolic steroids

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Last updated: February 24, 2015