Table of Contents
- 1 What country has the highest rate of Down syndrome?
- 2 What ethnicity has the highest rate of Down syndrome?
- 3 Is Down syndrome more common in a particular community?
- 4 Who carries the gene for Down syndrome?
- 5 What gender is most affected by Down syndrome?
- 6 Can you prevent Down syndrome?
- 7 How many people in the United States have Down syndrome?
- 8 How often are babies born with Down syndrome?
- 9 When do you find out if you have Down syndrome?
What country has the highest rate of Down syndrome?
These population figures mean that for every 10,000 people there are 5.14 people with Down syndrome. This is similar to other countries like the UK. Down syndrome is the most commonly occurring chromosomal condition. It is estimated that approximately 1 in every 1100 babies born in Australia will have Down syndrome.
What ethnicity has the highest rate of Down syndrome?
Results: The odds ratio and population attributable risk of Down syndrome due to maternal age of 35 years or older were highest for Mexican Americans, intermediate for African Americans, and lowest for non-Hispanic Whites.
What country is Down syndrome from?
It is named after British doctor John Langdon Down, who fully described the syndrome in 1866. Some aspects of the condition were described earlier by French psychiatrist Jean-Étienne Dominique Esquirol in 1838 and French physician Édouard Séguin in 1844.
Is Down syndrome more common in a particular community?
Down syndrome is the most frequent chromosomal cause of mild to moderate intellectual disability, and it occurs in all ethnic and economic groups.
Who carries the gene for Down syndrome?
Being carriers of the genetic translocation for Down syndrome. Both men and women can pass the genetic translocation for Down syndrome on to their children. Having had one child with Down syndrome.
What gender is Down syndrome most common?
Down syndrome appears to be more common among boys than girls, the study indicates. The condition is also seen more frequently in Hispanic children at birth, though the number of these children appears to level off with that of white children as they age. Black children appear less likely to have Down syndrome.
What gender is most affected by Down syndrome?
Can you prevent Down syndrome?
There’s no way to prevent Down syndrome. If you’re at high risk of having a child with Down syndrome or you already have one child with Down syndrome, you may want to consult a genetic counselor before becoming pregnant. A genetic counselor can help you understand your chances of having a child with Down syndrome.
Who is more prone to Down syndrome?
Women who are 35 years or older when they become pregnant are more likely to have a pregnancy affected by Down syndrome than women who become pregnant at a younger age. However, the majority of babies with Down syndrome are born to mothers less than 35 years old, because there are many more births among younger women.
How many people in the United States have Down syndrome?
To estimate the prevalence of Down syndrome, the number of pregnancies affected by Down syndrome is compared to the total number of live births. In 2002, about 1 out of every 1,000 children and teenagers (0 to 19 years old) living in the United States had Down syndrome.
How often are babies born with Down syndrome?
In the US, the prevalence of Down syndrome among newborns is rather high. Namely, the disorder occurs in about 1 in every 700 babies. In other words, each year, about 6,000 babies born in the country have Down syndrome. Most of them will have trisomy 21, the most common type of the condition.
Who is at risk for having Down syndrome?
In the United States, demographic factors also affect the risk for a child to be born with Down syndrome. These factors include geographic region, maternal education, marital status, and Hispanic ethnicity. 4, 5
When do you find out if you have Down syndrome?
Chromosome problems such as Down syndrome can often be diagnosed before birth. Screening tests are often done first. These often combine a blood test with an ultrasound. A screening test tells you and your healthcare provider if you have a greater or lesser chance of having Down Syndrome.