In both sexes, hormone replacement therapies are used to stimulate the development of secondary sexual characteristics at the time of puberty, and later to induce

Males born with Kallmann syndrome often have an unusually small penis (micropenis) and undescended testes (cryptorchidism). At puberty, most affected individuals do not develop secondary

Kallmann syndrome is a condition characterized by delayed or absent puberty and an impaired sense of smell. This is a condition resulting from a lack

Male infertility due to non-obstructive azoospermia is also a common complication of CF, caused by congenital absence of the vas deferens.  

Refers to a mutation in the gene for the protein cystic fibrosis transmembrane conductance regulator (CFTR).  CFTR mutations cause cystic fibrosis (CF), an autosomal recessive

The earlier a diagnosis is made and treatment is started, the greater the benefits. But it’s never too late to get help. Treatment for Klinefelter

Signs and symptoms of Klinefelter syndrome vary by age and vary widely between individuals. In infants, signs and symptoms may include: Weak muscles Slow motor

Many boys with Klinefelter syndrome show few or only mild signs. Thus, the condition may go undiagnosed until adulthood or it may never be diagnosed.

Klinefelter syndrome is a genetic condition that results when a male is born with an extra copy of the X chromosome, resulting in an XXY

Testicular torsion occurs when a testicle rotates, twisting the spermatic cord that brings blood to the scrotum. The reduced blood flow causes sudden and often