My DD passed her screening test at birth also. She had another test at 3 months and failed in one ear, they were happy to leave it for further testing at 5 months, her hearing had worsened so we were sent to Australia hearing and ENT for a hearing aid, it has been confirmed that her middle ear is blocked. She will be getting gromits in November which should clear the blockage and we should then be able to assess the damage. My DD has alot of other medical problems and she is getting gromits at the same time as cleft repair at 18 months of age, if it wasn't for her cleft she would have had grommits by now.

Your DS will have a test while he is sleeping, they will be able to assess the loss in each ear seperatly, they will also do a seperate test to check for middle ear movement to be able to find out if it is blocked or if it is further inside the ear.

If it is blocked they are likely to refer you to get grommits, I am not sure what age they do this with 'normal' babies but it is before they are one, they may offer a hearing aid depending on the loss and when they are able to get grommits, it usually but not always means short term loss until the blockage is cleared, but some children do experience some long term damage unfortunatly.

If it is not middle ear then he will get a hearing aid and I believe it means that the damage may be long term, I do not know much about this side of hearing loss.

I hope this helps a little. Feel free to ask me any questions, if I can help I will .