Home > Medical > Hearing management > FAQs 17 December 2008 Are certain children born deaf, or does it happen later? Most hearing impairment is inherited. But of all types of inherited deafness, only one third is present at birth. 0 Ask Hearing Care expert » 7 week old baby smiles as he hears for the first time Deaf and drop-dead gorgeous Most hearing impairment is inherited. But of all types of inherited deafness, only one third is present at birth. Another third starts during childhood and the other third only manifests in adulthood. More in Medical Do cochlear implants give someone normal hearing? More: Hearing managementFAQs SPONSORED: We want your Facebook like Join our Facebook community and help us reach 100 000 likes fast! advertisement Get a quote Momentum - save up to 35% on healthcare advertisement Read Health24’s Comments Policy Comment on this story 0 comments Add your comment Thank you, your comment has been submitted. Logout Comment 0 characters remaining Share on Facebook Logout Comment 0 characters remaining Share on Facebook Loading comments... Other news Diet and nutrition Fat like me? The journey continues Medical Diabetics face much greater risk of heart damage Lifestyle Public jump to rescue shelter dogs from arson attack Diet and nutrition Too little and too much salt – both are dangerous Medical Sufficient sleep linked to fewer sick days Medical Cuba sending hundreds of doctors to fight Ebola From our sponsors Cardiovascular risk factors Take care of your teeth. Anytime. Anywhere. Like us on facebook! Why take out life insurance from OUTsaurance Live healthier Knee pain relief » Knee injuries Test your knee pain knowledge Symptoms of knee pain Do you suffer from knee pain? Do you suffer from recurrent knee pain? It could be osteoarthritis... Vitamin wise » Vitamins for HIV What to eat for vitamin B? Cut down on vitamins Get your vitamins right Find out which vitamin to use for which condition. Ask our Vitamin expert.