What is benign premature thelarche?

Updated: Apr 01, 2019
  • Author: Harsh Grewal, MD, FACS, FAAP; Chief Editor: Robert K Minkes, MD, PhD  more...
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Benign premature thelarche is defined as isolated breast development in females aged 6 months to 9 years. Physical examination for this entity should carefully seek out other signs of puberty, such as development of pubic hair, thickening of the vaginal mucosa, and accelerated bone growth. If no other signs of puberty are present, reassure the patient and family that this is a benign finding. Examine the child every 6-12 months. If other signs of puberty are evident, precocious puberty should be entertained as a diagnosis.

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