Causes before birth
Many children are born deaf because of their parent or other reasons. Deafness can be passed down in families even though there appears to be no history of deafness.
Deafness can also be caused by complications during pregnancy. For deafness there are variety of causes.
Causes in infancy
There are many reasons why people can become deaf as babies. Babies can become deaf if they are born before their due date. It is common to have babies to have infection before their due date. They can be born with pains or lack of oxygen both of these can cause babies to be deaf.