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Down Syndrome & Trisomies
Information on the different trisomies.
Common Prenatal Tests
Information from the pregnancy test to stress, non-stress, ultrasounds and AFPs and more, from your About.com Guide.
Down Syndrome Guide
Kathleen Fergus is a genetic counselor and offers her advice on all aspects of Down Syndrome.
Trisomy 18 (Edwards Syndrome)
Article describes Trisomy 18, its symptoms, diagnosis, and treatment.
Chromosome 18
This site is funded by a research society and includes a bulletin board, useful links, and lots of information.
Down Syndrome: Head Circumference Charts
A growth chart for infants with Down Syndrome.
Online Mendelian Inheritance in Man
This database is a catalog of human genes and genetic disorders authored and edited by Dr. Victor A. McKusick and his colleagues at Johns Hopkins and elsewhere, and developed for the World Wide Web by NCBI, the National Center for Biotechnology Information.
Prenatal Testing for Down Syndrome
A look at the controversy and the facts.
Trisomy 21: The Story of Down Syndrome
Len Leshin, M.D gives you some history, the genetics and some information on why Down Syndrome occurs.