Amenorrhea

A girl should start menstruating before the age of 14,if not,then proper investigations should be carried out to rule out the cause.


Physiological:Before puberty, pregnancy,during lactation,after menopause,athletic training (physiologically delayed puberty).




Pathological:Uterine agenesis, imperforate hymen,ovarian dysgenesis,polycystic ovary,premature ovarian failure, pituitary disorders(pituitary infantilism, ischaemic necrosis of the pituitary gland, prolactinomata), virilising syndromes (idiopathic hirsutism), Cushing's syndrome,Addison's disease,severe myxedema or hyperthyroidism, sevee diabetes, anorexia nervosa, emotional stress,severe illness,weight loss, sometimes after discontinuing oral contraceptives.