ANOREXIA NERVOSA
ICD-10 DIAGNOSTIC CRITERIA
A. There is weight loss or, in children, a lack of weight gain, leading to a body weight at least 15% below the normal or expected weight for age and height

B) The weight loss is self-induced by avoidance of "fattening foods"

C) There is self-perception of being too fat, with an intrusive dread of fatness, which leads to a self-imposed low weight threshold.

D) A widespread endocrine disorder, involving the pituatary-gonadal axis is manifest in women as amenorrhea and in men as a loss of sexual interest and potency. (An apparent exception is the persistence of vaginal bleeds in anorexic women who are on replacement hormonal therapy, most commonly taken as a contraceptive pill.)

E) The disorder does not meet criteria A and B for bulimia nervosa
DSM-IV DIAGNOSTIC CRITERIA
A) Refusal to maintain body weight at or above a minimally normal weight for age and height (e.g., weight loss leading to maintenance of body weight less than 85% of that expected; or failure to make expected weight gain during period of growth, leading to body weight less than 85% of that expected).

B) Intense fear of gaining weight or becoming fat, even though underweight.

C) Disturbance in the way in which one's body weight or shape is experienced, undue influence of body weight or shape on self-evaluation, or denial of the seriousness of the current low body weight.

D) In postmenarcheal females, amenorrhea, i.e., the absence of at least three consecutive menstrual cycles. (A woman is considered to have amenorrhea if her periods occur only following hormone, e.g., estrogen, administration.)
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