All the information on this website comes from refereed academic papers, literature produced by the National Health Service or by the official patient support groups. A list of major sources referred to follows below.

Antenatal Results and Choices; A Handbook for Parents after a Prenatal Diagnosis.

Association for Spina Bifida and Hydrocephalus: Antenatal Screening Fact Sheet No; 3, August 1998.

Association of Spina Bifida and Hydrocephalus; What is Spina Bifida , Information Sheet No. 1, January 2003.

Bock, Robert (Office of Research Reporting, NICHD); Understanding Klinefelter Syndrome, A guide for XXY males and their families. US. Department of Health and Human Services. August 2003.

British Journal of Obstetrics and Gynaecology, 1987.

Central Manchester Healthcare Trust; Amniocentesis and Chrionic Villus Sampling: Information for Parents.

Down's Syndrome Scotland: Screening, Testing and Down's Syndrome (PDF) Information booklet.

Emery, Jon: Is informed choice in genetic testing a different bleed of informed decision-making? In: Health Expectations, Volume 4, pg. 81-86 , Blackwell Science Ltd. 2001.

Gynecomastia.org; Klinefelter Syndrome 1997-2003.

Health Technology Assessment: Antenatal Screening for Down's Syndrome (Executive Summary) . Volume 2, No.1 1998.

Lea, Dale Halsey (MPH, APNG, CGC, FAAN), and Williams, Janet K. (PhD, CGC, FAAN); Genetic Testing and Screening American Journal of Nursing, July 2002.

Marcer, Darryl, R; Ethics and Prenatal Diagnosis Journal, Genetic Disorders and the Fetus: Diagnosis, Prevention and treatment. March 2002.

McCabe, Klinefelter Organisation, The Link Newsletter Issue 2, June 2003.

National electronic Library for Health (MIDIRS); Informed Choice: Antenatal screening for congenital abnormalities: Helping women to choose. 2002.

National electronic Library for Health: National Screening Committee Policy Position, Down Syndrome . 2002.

National electronic Library for Health; Medical Aspects of Down Syndrome . 2001.

NHS, National Screening Committee, National Down's Syndrome Screening Patient Information Group; Testing for Down's Syndrome in Pregnancy.

Royal College of Obstetricians and Gynaecologists; Further issues relating to late abortion, foetal urability and registration of births and deaths. (Collaboration from Royal College of Midwives, British Association of Prenatal Medicine and the Department of Health).

Snijders RJ, Noble P, Sebire N, Souka A, Nicolaides KH, UK Multicentre project on assessment of Trisomy 21 by maternal age and nuchal translucency thickness at 10-14 weeks of gestation, Fetal Medicine Foundation 1st trimester screening group, The Lancet 352 9125 August 1998.

The Turner Society, The Child Growth Foundation; The Turner Woman: A patient guide . Series 9, June 2000.

The Turner Society, The Child Growth Foundation; Turner Syndrome: A guide for patients and parents . Series 8, June 2000.

Turner Syndrome Support Society (TSSS UK) What is TS? Leaflet.

Turner Syndrome Support Society (TSSS UK); Talking about Turner Syndrome Leaflet, 2003.

U.K. National Screening Committee: Information sheet for on antenatal and neonatal screening for Cystic Fibrosis.

Wald, Rodeck, Hack Shaw, Walters, Chitty L and Mackisnon; First and Second trimester antenatal screening for Down's Syndrome: The results of the Serum, Urine and Ultrasound Screening Study (SURUSS) . Health Technology Assessment. Volume 7, No. 11 2003.