Since our son's hearing screening was not good on both sides, we had to go in for a checkup two months later. (The worst two months to wait). In the process, we were put off that this often happens, that bilateral tests "don't work". I sincerely wish that the staff in the hospitals would be better trained and not always just say that the hearing was certainly functioning normally.
Because one side was negative, the hearing screening was done on both sides. They did not consider the hearing impairment to be dramatic. We continued to monitor the hearing loss, at 2 months the hearing test was positive according to the doctor. It wasn't until 10 months that they started looking more closely because we put pressure on them.