The onset of secondary sexual characteristics before a normal age. Although it is difficult to define normal age ranges because of the marked variation with which puberty begins in normal children, precocious puberty can be defined as the onset of puberty before the age of 8 years in girls or 9 years in boys. (Human Phenotype Ontology, HP_0000826)
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1 genes associated with the disease precocious puberty in GWAS and other genetic association datasets from the GAD Gene-Disease Associations dataset.