What are the causes of Turner syndrome?

Causes. A girl with Turner syndrome only has one normal X sex chromosome, rather than the usual two (XX). Everyone is born with 23 pairs of chromosomes. One pair of chromosomes – the sex chromosomes – determines the baby's gender. read more

Turner syndrome can cause a variety of medical and developmental problems, including short height, failure of the ovaries to develop and heart defects. Turner syndrome may be diagnosed before birth (prenatally), during infancy or in early childhood. read more

Turner syndrome occurs when part or all of an X chromosome is missing from most or all of the cells in a girl’s body. A girl normally receives one X chromosome from each parent. read more

Causes. A girl with Turner syndrome only has one normal X sex chromosome, rather than the usual two (XX). Everyone is born with 23 pairs of chromosomes. One pair of chromosomes, the sex chromosomes, determines the baby's gender. One sex chromosome comes from the father and one from the mother. The mother's contribution is always an X chromosome. read more