Nasal bridge
Recessed nasal bridge caused by congenital defects
Birth defects caused by fetal alcohol syndrome (FAS) It may also cause lower nasal bridge.
FAS is a group of birth defects that can affect your baby if you drink alcohol during pregnancy.. If you drink alcoholic beverages during the first trimester of pregnancy, you are most likely to develop FAS.
Causes of FAS
- Nervous system problems
- Growth deficiencies
- behavioral problems
- Learning disabilities
- Facial abnormalities
A low nasal bridge is seen in some children with FAS.
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Depression of the bridge of the nose in children
The facial features of infants and young children are not naturally developed. In the absence of an underlying disease, your child's facial features will develop and become more prominent.
If your child has a low nasal bridge but no other signs or symptoms of health problems or genetic abnormalities, there is generally no cause for concern.. If you're not sure if your baby's nose shape is normal, make an appointment with your pediatrician.
Depression of the bridge of the nose caused by genetic disorders
There are underlying causes of low nasal bridge at birth. They are usually diagnosed at birth or shortly after birth. Underlying causes include genetic disorders, birth defects, and infectious diseases.
Abnormal genes that are passed from parents to their children cause genetic disorders. These disorders cannot be cured. The following genetic disorders can cause low nasal bridge.
Cleidocranial dysostosis
Cleidocranial dysostosis causes abnormal growth of the skull and clavicle. People with cleidocranial dysostosis may have a low nasal bridge.
Williams syndrome
Williams syndrome is a developmental disorder that affects many areas of the body. This is due to the removal of genetic material from chromosome 7. The deleted material includes more than 25 genes.
This syndrome causes mild to moderate intellectual disability, developmental delay and distinctive facial features. Williams syndrome also causes bone deformities such as the lower nasal bridge.
Down syndrome
It is caused by trisomy 21. This means that each cell in the body has three copies of chromosome 21 instead of the usual two. Down syndrome causes mild to moderate mental retardation, developmental delay, and abnormal facial and body features..
People with this syndrome usually have flat facial features, which may include a low nasal bridge.
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