Turner syndrome is a genetic disorder that affects a girl's development. The cause is a missing or incomplete X chromosome. Girls who have it are short, and their ovaries don't work properly. Most are infertile . They are at risk for health difficulties such as high blood pressure, kidney problems, diabetes, cataracts, osteoporosis and thyroid problems. Other physical features typical of Turner syndrome are Short, "webbed" neck with folds of skin from tops of shoulders to sides of neck Low hairline in the back Low-set ears Swollen hands and feet There is no cure for Turner syndrome, but there are some treatments for the symptoms. Growth hormone often helps girls reach heights that are close to average. Hormone replacement can stimulate sexual development. Assisted reproduction techniques can help some women with Turner syndrome get pregnant.