Cause of birth of Mentally retarded child...4

Cause of birth of Mentally retarded child...4





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6.. What is hydrocephalus?
Hydrocephalus is a condition that occurs when fluid builds up in the skull and causes the brain to swell. The name means “water on the brain.”
Brain damage can occur as a result of the fluid buildup. This can lead to developmental, physical, and intellectual impairments. It requires treatment to prevent serious complications.
Hydrocephalus mainly occurs in children and adults over 60, but younger adults can get it too. The National Institute of Neurological Disorders and Stroke (NINDS) estimates that 1 to 2 of every 1,000 babies are born with hydrocephalus.
7... What causes hydrocephalus?
Cerebrospinal fluid (CSF) flows through your brain  and spinal cord in normal conditions. Under certainconditions, the amount of CSF in your brain increases. The amount of CSF can increase when:
  • a blockage develops that prevents CSF from flowing normally
  • there is a decrease in the ability of blood vessels to absorb it
  • your brain produces an excess amount of it
Too much of this fluid puts your brain under too much pressure. This pressure can cause brain swelling, which can damage your brain tissue.

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