Fetal alcohol syndrome is now leading cause of mental retardation.
What causes mental retardation in babies?
 Mental retardation can be associated with innumerable factors – some are chromosomal, some are genetic, some are metabolic, and some are due to intrauterine infections, and where antenatal and natal care is not adequate a large number of them may be due to birth asphyxia or other accidents during peripartum period.
What is the most common cause of mental retardation?
Down’s syndrome is the most common specific cause of mental retardation, followed by the Fragile X syndrome, which mainly affects boys.
What are three major causes of mental retardation?
The most common causes of intellectual disability are:
- Genetic conditions. These include things like Down syndrome and fragile X syndrome.
- Problems during pregnancy. …
- Problems during childbirth. …
- Illness or injury. …
- None of the above.
What is the most common cause of congenital mental retardation?
Fragile X syndrome is the most common inherited form of mental retardation and, after Down syndrome, the most common genetic form.
How soon can you tell if your baby has a birth defect?
First trimester screening is a combination of tests completed between weeks 11 and 13 of pregnancy. It is used to look for certain birth defects related to the baby’s heart or chromosomal disorders, such as Down syndrome. This screen includes a maternal blood test and an ultrasound.
At what age is mental retardation diagnosed?
Severe cases of ID may be diagnosed soon after birth. However, you might not realize your child has a milder form of ID until they fail to meet common developmental goals. Almost all cases of ID are diagnosed by the time a child reaches 18 years of age.
How can we prevent mental retardation?
Prenatal diagnosis, newborn screening, dietary supplementation or restriction, hormone replacement, vaccination, and immunotherapy are just some of the techniques that have been applied to prevent mental retardation.
What is mental retardation called now?
The term “intellectual disability” is gradually replacing the term “mental retardation” nationwide.
What are signs of low IQ?
Lower than average scores on IQ tests. Difficulties talking or talking late.
- IQ 50-70.
- Slower than normal in all areas.
- Can conform socially.
- Can acquire daily task skills.
- Integrated in society.
- No unusual physical signs.
- Can acquire practical skills.
- Reading and math skills up to grades 3-6.
What are the 4 levels of mental retardation?
The DSM-IV classifies mental retardation into four stages based on severity: mild (IQ score of 50-55 to approximately 70), moderate (IQ score of 30-35 to 50-55), severe (IQ score of 20-25 to 35-40), and profound (IQ score of less than 20-25).
What are the biological causes for mental retardation?
Biological risk factors for mental retardation include malnutrition; exposure to toxins such as lead, alcohol, and PCBs, and being born at LBW. Social in¯ uences from homes, schools, and cultures are related to intelligence and mental retardation although the direction of effect is difficult to determine.
What is mental retardation and its causes?
There are various known causes of mental retardation, including genetic disorders, maternal infections, psychosocial conditions, drug exposure, and environmental chemical exposure. The established risk factors for MR include:  Various genetic disorders (e.g. Down’s Syndrome, phenylketonuria)
What qualifies as mental retardation?
Mental retardation currently is defined by the American Association on Mental Retardation (AAMR) as “significantly sub-average general intellectual functioning accompanied by significant limitations in adaptive functioning in a least two of the following skills areas: communication, self-care, social skills, self- …
Is mental retardation a genetic disorder?
Mental retardation is caused by a number of different factors. Among genetic disorders, Fragile X syndrome and Down syndrome are the commonest causes of mental retardation. Fragile X syndrome (FXS) is an inherited form of mental retardation. FXS is estimated to affect 1 in 2,500 males and 1 in 8,000 females.
How do you test for mental retardation?
The Wechsler and Binet scales remain the two dominant, language-loaded, individually administered intelligence tests used for the diagnosis of mental retardation in the United States.