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.
Does Down syndrome affect certain ethnic groups?
Babies of every race can have Down syndrome
In the United States, however, black or African American infants with Down syndrome have a lower chance of surviving beyond their first year of life compared with white infants with the condition, according to the CDC.
Does Down syndrome affect a particular culture or group?
Down syndrome is the most frequent chromosomal cause of mild to moderate intellectual disability, and it occurs in all ethnic and economic groups.
What ethnic group has the highest rate of Down syndrome?
In a comparison of quinquennial maternal age-specific risk rates of Down syndrome by race, Hispanics and whites were the only groups with rates that differed significantly from each other, with Hispanics exhibiting higher rates at maternal ages under 40 years.
What gender is most affected by Down syndrome?
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 are the signs of Down syndrome during pregnancy?
Some common physical signs of Down syndrome include:
- Flat face with an upward slant to the eyes.
- Short neck.
- Abnormally shaped or small ears.
- Protruding tongue.
- Small head.
- Deep crease in the palm of the hand with relatively short fingers.
- White spots in the iris of the eye.
Can Mexicans Get Down syndrome?
In a study, all Down syndrome cases were reported to the Women’s Hospital of the Los Angeles County during a 15 year period from 1974 to 1988, resulting in most Down syndrome births occurring to those of Mexican ancestry and a small proportion from Central America (Hook 1999).