Growth & Puberty
Chelsea, a 7-year-old girl, is brought by her mother to the paediatric clinic. Her mother is concerned about Chelsea’s early development of puberty. Chelsea has started to develop breasts and, more recently, some pubic hair. On examination she has breast development stage 3 and pubic hair development stage 2. She has not started her periods, but has had a growth spurt recently. An ultrasound of her pelvis shows multicystic ovaries and enlarging uterus. What is the most likely cause of her early pubertal development? Select one answer only.
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