Dauna- syndrome is a form of genomic pathology associated with the presence of an extra chromosome. What are the external features and characteristics distinguish a child with Down syndrome from other children?
Sometimes it happens that the carrier does not have an extra chromosome expressed external signs and, Conversely, when a perfectly healthy person has certain characteristics typical of this pathology. The reasons for which this pathology occurs, the science is uncertain, the risks are often a child with Down's syndrome associated with maternal age, the older the mother - the higher the risk of having special child, but in recent years, about 80% of these children are born to women up to 35 years.
What distinguishes people with Down syndrome / istockphoto.com
According to statistics, a child with Down syndrome are born 1 in 1000 pregnancies and some predisposition on the floor does not exist. But in many respects, these figures are due to prenatal diagnosis - screening, which may in the womb to assume the risks of having a child with a pathology. Since it is only the risks, it is often with satisfactory results of the screenings, children are born with Down's Syndrome.
What features distinguish the "sun" of children?
- Most children with Down syndrome head back slightly thickened and necks noticeably shorter and wider than that of healthy children.
- The ears are set slightly lower than expected.
- Fontanelle in these children closed later.
- The palate is high and arched, slightly narrower than that of a healthy child.
- In children with an extra chromosome hair very soft and straight teeth are very small, moreover, they appear later and require a dentist control as very often begin to deteriorate sooner.
- Eyes - one of the obvious signs of the presence of Down syndrome. They are slanting and widely planted, on the nose - epikant - additional crease century, which disappears in about 12-13 years.
A child with Down syndrome / istockphoto.com
- Often on the edge of the iris can see white spots, especially strongly noticeable in light-eyed kids.
- Children with Down syndrome often stick their tongue, it is due to the fact that they have minor features (the flat shape of the face and nose) and mouth, including, but large tongue. Gradually growing up and learning, the child learns to control the habit stick out tongue.
- These kids suffer from hypotonia - reduced muscle tone, so they are sluggish, it is difficult to move actively. Thanks to special classes and gymnastics it is possible to compensate.
Average growth of adult male with Down syndrome - 154-160 cm and women - 150-154 cm.
- Limbs in children suffering from this syndrome may be a little shorter than that of a healthy child.
- Children with an extra chromosome short fingers on the hands and feet, increased the distance between the thumb and the rest. Palms wide, through which often runs transverse crease, a little finger can be bent, but it does on the development and the ability to use his hands is not affected.
- Newborn babies with the syndrome is much less than normal children, so they can not use the standard tables to control the height and weight. Catching up with healthy peers are about to adolescence, and the average growth Man with Down syndrome - 154-160 cm, and the girls - 150-154 cm.
Also you will be interested to know that what behaviors suggests that a child lags behind in development
