Why Do Some of the Males Have Three Testis?
Answer. This happens because of the rare condition polyorchidism, in this condition male are born with more than two testis. There are only a few reported cases of this type around 200. There are a majority of the cases having three testes but also some of them will have more than three testis. This condition does not have any major health problem but it slightly increases the chance of testicular cancer.