Marked geographic patterns in the incidence of idiopathic central precocious puberty: a nationwide study in France.

Objectives: Precocious puberty seems to be increasing but epidemiological data are scarce. Our objective was to improve the epidemiologic knowledge on this disease. We analyzed the national incidence and spatial trends of idiopathic central precocious puberty in France in 2011-2013 in a cross-sectional descriptive study.