The Mongolian Child
Or Down’s disease is one of the most common genetic diseases common, and the birth rate of one child per 800 or 1000 births a high rate, causing the disease imbalance in the development of the brain of the child and the delay in the child’s mental and physical and psychological, has known the name of the Mongolian child because of its apparent form Like the children of Mongolia, China and Japan, the name of the disease is attributed to the British doctor John Down, who considered the Mongolian child as a state born with mental disability.
Reasons for the birth of a Mongolian child
- The occurrence of the genetic mutation in chromosome 21 is one of the most important causes of the birth of a child to a mangoule. This is due to the loss of part of the genetic chromosome-21 chromosome, thus causing physical and mental malformations that may lead to severe mental retardation in the child.
- The mother does not receive the necessary health care if she is older than 40 years of pregnancy, because there is a strong relationship between the mother’s progress in life and her birth to a Mongolian child.
- Although the probability of forming a father’s age is a problem in the birth of a Mongolian child, some studies have shown that in cases of up to 9%, the father’s age may be the main cause of the birth of a Mongolian child.
Genetic Species of Down
- Increase in the number of chromosomes 21: The child is born with 3 chromosomes instead of 2 of chromosome 21, and occurs in 95% of the infected, which is the most common among children infected with it.
- Chromosome 21 is transferred to another chromosome called chromosomal transition: chromosome 21 is often transferred to chromosome 13,14,15,21,22, and this occurs in about 5% of cases.
- The type of mosquito: It is called because of the presence of two types of cells in the body of the child, some of them sound and contains the number of natural chromosomes 46 Krmosoma, and others contains 47 chromosomes, and the number of the body contains the child Mongolian, and this type is 1% of cases, Rare getting.
How do you know a Mongolian child?
The Mongolian child can be identified through the following symptoms:
- Relaxation, weakness and weakness in the harmony of the muscles compared to the normal child, as well as the relaxation of the joints, the child can not control and control himself, and despite the improved performance of motor and functional of the child, but he suffers from muscle relaxation because it does not disappear completely.
- The baby is born with less than normal weight for another natural child.
- The square head and small size of the Mongolian child, not the ring like other children, and the flatness in the background with a short neck.
- The small eyes form and the plethora of thin skin folds near the tip of the inner eye, which give an impression of being around in the child.
- The palms of the fingers have more than the normal limit, and do not form lines in the soles of the palm except there is only one line.
- The swelling of the tongue and the emergence of the mouth because of the small cavity of his mouth and small chin, and swelling tongue causes him to have breathing problems and saliva of the mouth.
- There are patches called Brushfield spots in the Mongolian child’s iris, which are white spots that do not disappear and distinguish the Mongolian child.
- The Mongolian child has a large finger in the foot and looks like a duck man.
- The handprint of the Mongolian child is sound and shows a range of lines and flexions.
- The Mongolian child has the health problems that accompany him in his childhood and for a period of time, the most important respiratory infections and inability to breastfeed naturally, may be associated with the child of the Mongolian heart disease and the presence of birth defects, which remains with him and affects his health and threatens his life.
- The child’s mental retardation, sometimes described as severe, delays the child’s mental and cognitive abilities and coincides with speech and hearing problems.