The loss or alteration of the X chromosome occurs randomly. Sometimes, it's because of a problem with the sperm or the egg, and other times, the loss or alteration of the X chromosome happens early in fetal development.
Family history doesn't seem to be a risk factor, so it's unlikely that parents of one child with Turner syndrome will have another child with the disorder.
Aug. 23, 2014
- Turner syndrome. Genetics Home Reference. http://ghr.nlm.nih.gov/condition/turner-syndrome. Accessed July 22, 2014.
- Learning about Turner syndrome. National Human Genome Research Institute. http://www.genome.gov/19519119. Accessed July 22, 2014.
- Turner syndrome. National Organization for Rare Disorders (NORD). https://www.rarediseases.org/rare-disease-information/rare-diseases/byID/112/viewFullReport. Accessed July 22, 2014.
- Turner syndrome. Eunice Kennedy Shriver National Institute of Child Health and Human Development. http://turners.nichd.nih.gov/index.html. Accessed July 22, 2014.
- Saenger P. Clinical manifestations and diagnosis of Turner syndrome (gonadal dysgenesis). http://www.uptodate.com/home. Accessed July 22, 2014.
- Milbrandt T, et al. Turner syndrome. Pediatrics in Review. 2013;34:420.
- Saenger P. Management of Turner syndrome (gonadal dysgenesis). http://www.uptodate.com/home. Accessed July 22, 2014.
- Turner Syndrome Society of the United States. http://www.turnersyndrome.org/. Accessed July 26, 2014.
- Wick MJ (expert opinion). Mayo Clinic, Rochester, Minn. Aug. 1, 2014.
- Hoecker JL (expert opinion). Mayo Clinic, Rochester, Minn. July 27, 2014.
- Freriks K, et al. Long-term effects of previous oxandrolone treatment in adult women with Turner syndrome. European Journal of Endocrinology. 2013;168:91.
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