[Congenital hip dislocation and the seasons].

This report deals with the data gathered for a year concerning the incidence of luxation coxae congenita at the Hospital de Gineco-Obstetricia (Gynecology-Obstetrics Hospital) of the Unidad Médica Oblatos (Oblatos Medical Unit) of the Instituto Mexicano del Seguro Social (Mexican Institute of Social Security) in the city of Guadalajara, Jalisco, México. The results show an inverse correlation between the temperature and the number of cases, both statistically significant, demonstrating seasonality for luxation coxae congenita.