Constitutional delay of puberty history and symptoms: Difference between revisions
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Revision as of 14:27, 20 September 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
History and Symptoms
Evaluation
Obviously anyone who is later than average is late in the ordinary sense. There are three indications that pubertal delay may be due to an abnormal cause. The first is simply degree of lateness: although no recommended age of evaluation cleanly separates pathologic from physiologic delay, a delay of 2-3 years or more warrants evaluation.
- In girls, no breast development by 13 years, or no menarche by 3 years after breast development (or by 16).
- In boys, no testicular enlargement by 14 years.
The second indicator is discordance of development. In most children, puberty proceeds as a predictable series of changes in specific order. In children with ordinary constitutional delay, all aspects of physical maturation typically remain concordant but a few years later than average. If some aspects of physical development are delayed, and others are not, there is likely something wrong. For instance, in most girls, the beginning stages of breast development precede pubic hair. If a 12 year old girl were to reach Tanner stage 3 pubic hair for a year or more without breast development, it would be unusual enough to suggest an abnormality such as defective ovaries. Similarly, if a 13 year old boy had reached stage 3 or 4 pubic hair with testes that still remained prepubertal in size, it would be unusual and suggestive of a testicular abnormality.
The third indicator is the presence of clues to specific disorders of the reproductive system. For example, malnutrition or anorexia nervosa severe enough to delay puberty will give other clues as well. Poor growth would suggest the possibility of hypopituitarism or Turner syndrome. Reduced sense of smell (hyposmia) suggests Kallmann syndrome.