Question

write the reasons of retardation​

Answer 1

Answer:

Reasons:-

• Causes of mental retardation include fetal alcohol syndrome and fetal alcohol effect; brain damage caused by the use of prescription or illegal drugs during pregnancy; brain injury and disease; and genetic disorders, such as Down syndrome and fragile X syndrome.
• Down's syndrome is the most common specific cause of mental retardation, followed by Fragile X syndrome, which mainly affects boys.