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Approx 1 in 800 or 0.12% or 340,000 people in USA

Down syndrome occurs in 1 in 800 births. Hopefully that helps

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Related Questions

Is down syndrome found in the us?

Yes, Downs Syndrome is found in USA


How many people in the US have Marfan syndrome?

It is estimated that one person in every 3000-5000 has Marfan syndrome, or about 50,000 people in the United States.


How many people in the us have metabolic syndrome?

It has been estimated that just over 40% of the US population over the age of 50 have metabolic syndrome. This number is growing!


How many people have Barth Syndrome in the US?

People, mostly males, has barth syndrome. Barth Syndrome affected 200,000 male infants.


What is the percentage of people with down syndrome in US?

0.04%


How many people have Tourette syndrome in the us?

Over 100,000 (one hundred thousand) people have Tourettes Syndrome in the United States of America Over 100,000 (one hundred thousand) people have Tourettes Syndrome in the United States of America


How many people have Down syndrome in the US?

Approx 1 in 800 or 0.12% or 340,000 people in USA Down syndrome occurs in 1 in 800 births. Hopefully that helps


What treatmeant's do they take if they have down syndrome?

There isn't a treatment for downs. Its a condition your born with and die with. However there are certain things can be done to improve a person with downs' life. These could be made up of speach therapy, behaviour therapy and assistance with cognitive development. Lots of people with downs grow up to do the same as us. They have good jobs, relationships, children, run a house ect. So they don't need "treating". Just require extra support early on


Where did syndrome come from?

As many of the diagnoses of "DID syndrome" come from US, many believe this comes from poor therapists suggesting this to susceptible patients!


How many people in the world had Down syndrome in 2004?

Approximately 6.4 Million PeopleThe world population in 2004 was 6.4 billion people. As the Down syndrome rate is about 1 per 1000 births, this gives us an estimate of 6.4 million people who had Down syndrome in 2004. As Down syndrome people have a lower life expectancy than other people, this may be a slightly high estimate.(Please see the related links for sources.)


What percent of White babies in the US have Down Syndrome?

About 90 percent of pregnant women who are given a Down syndrome diagnosis have chosen to have an abortion. Until recently the test was given only to women over 35 so many got the message after the child was born so they never had the option.


What percentage of the US population has Tourette's syndrome?

It's estimated that about 200,000 people in the US suffer from Tourette's syndrome in 2009, which would be about 6.5% of the population.