title: Puberty: precocious and delayed.
mesh_terms: D000293:Adolescent; D001940:Breast / Q000254:growth & development; D002648:Child; D005260:Female; D005835:Genitalia / Q000254:growth & development; D006801:Humans; D008297:Male; D009765:Obesity / Q000150:complications; D010049:Ovarian Diseases / Q000150:complications; D011627:Puberty; D011629:Puberty, Precocious / Q000209:etiology / Q000628:therapy; D013733:Testicular Diseases / Q000150:complications; D013997:Time Factors