Cryptorchidism, from the Greek words kriptos (hidden) and orquis (testicle), is the failure of one or both testes to descend to the scrotum. It is estimated that between 2 and 5% of newborn boys have this abnormality although the figure rises to 30% when premature boys are taken into account. In many cases, the issue resolves itself naturally and, as a result, at one year of age, only 1% of boys have the condition. […]
Klinefelter’s Syndrome is considered the most common chromosomal abnormality in humans, with an incidence of 1 out of every 500 newborn males. Those affected by this syndrome have an extra X chromosome, which leads to primary testicular failure and therefore infertility and hypoandrogenism.