Effect of the occupational environment of parents on cryptorchidism

Background The early detection and treatment of cryptorchidism are necessary to preserve male fertility. This study aimed to assess the effect of parents’ occupational environment on the incidence of cryptorchidism in their sons. Methods The study enrolled 51 316 newborn males, whose mothers were recruited in the Japan Environment and Children’s Study. We analyzed cryptorchidism incidence in male newborns according to 14 categories of occupation...