A genetic disorder caused by a missing X chromosome that occurs only in fernales.

Victims of Turner syndrome are characterized by short stature, absence of secondary sexual characteristics, infertility, and a number of other physical abnormalities. The condition was first identified in 1928 by Dr. Henry H. Turner, for whom it is named. The underlying chromosomal defect was discovered in 1959. Turner syndrome occurs in approximately one out of every 2,500 live births. However, all but 2% of fetuses affected by the disorder are miscarried. Of all the chromosomal abnormalities that result in spontaneous abortion or miscarriage, Turner syndrome is the most common, accounting for about 20% of all miscarriages.

Most women with Turner syndrome are under 5 feet (1.5 m) tall, averaging 4 feet 7 inches (1.4 m). They have a distinctive appearance that may include the following characteristics: puffiness of the hands and feet in the first year of life; cross-eyes; a short, webbed...