What are the signs of a three-year-old baby’s low IQ?

As a baby grows, intellectual development is very important for the child. Therefore, the baby's intelligence is what parents are most concerned about. Once a child shows signs of intellectual disability, everyone will try every means to treat the child. However, most people do not have a special understanding of intellectual disability. Even if the baby shows symptoms of intellectual disability, no one knows about it. So what are the manifestations of a three-year-old baby with low IQ?

What are the symptoms of intellectual disability in a three-year-old baby?

1. Usually cries less.

He cries when he is hungry and when he is wet. If a child rarely cries, only screams when encountering something, or seems indifferent to external stimuli, it is often a sign of low IQ.

2. Clumsy movements.

Children aged 3 to 5 months old especially like to play with their hands, but it is not normal if they still cannot play with their hands after 6 months or like to put toys in their mouths at 2 to 3 years old. Compared with normal children of the same age, children with intellectual disabilities are clumsy and even after they learn to walk they still kick each other with their feet.

3. Can’t laugh or laugh very late.

Normal babies will learn to laugh at around 2 months old and can laugh out loud at 4 months old. Not being able to laugh or laughing very late is a sign of mental retardation.

What are the reasons for the intellectual disability of three-year-old babies?

1. Marriage between close relatives:

In order to improve the quality of the entire nation and achieve the goal of eugenics, our country has explicitly prohibited marriage between close relatives. Consanguineous marriage is not only one of the main factors leading to fetal malformation, disease and stillbirth, but also an important factor leading to children's intellectual disability.

2. Perinatal injury:

Pregnant women are severely malnourished or ill, with hypoglycemia, kernicterus, or sepsis. Compression and injury inside and outside the mother's uterus during pregnancy, ectopic placenta, injury during delivery, asphyxia, intracranial hemorrhage, premature babies, as well as trauma in infancy and radiation damage can all cause mental retardation.

3. Genetic diseases:

It can be caused by chromosomal aberrations and gene mutations, the most common of which are congenital idiocy, cry-a-cat syndrome, congenital testicular dysgenesis, and congenital ovarian dysgenesis syndrome.