Boys whose testes have not descended at birth—a condition known as cryptorchidism—are almost three times as likely to develop testicular cancer in later life, finds an analysis of the available evidence published online in Archives of Disease in Childhood.
The findings prompt the authors to ask whether boys with the condition should be regularly monitored to lessen the potential risk
Cryptorchidsim, where testes fail to descend into the scrotum and are retained within the abdomen, is the most common birth defect in boys, affecting around 6% of newborns.