Hearing and Your Child's Speech and Language Development

Why hearing comes first

Speech and language begin with listening. From birth, babies absorb the rhythm, pitch, and patterns of the language spoken around them, and they gradually connect those sounds to meaning. This early listening is what lets a child babble, say a first word, and eventually string words into sentences. Because so much of this learning happens in the first two to three years of life, anything that makes it harder to hear clearly during this window can slow speech and language down. The encouraging news is that many hearing problems in young children are temporary or treatable — fluid behind the eardrum is a common example — and children often catch up quickly once clear hearing is restored. When hearing loss is permanent, it usually cannot simply be reversed, but identifying it early and starting the right support, including hearing devices when they are needed, helps children build strong language skills.

Hearing does not have to be completely absent to matter. Even mild or temporary hearing changes, the kind that can come and go with a cold or an ear infection, can muffle speech sounds enough to make it harder for a young child to learn them. That is why paying attention to how your child listens is just as important as counting the words they say.

Listening and talking milestones to watch

Every child develops on their own timeline, so treat the signs below as general ranges rather than deadlines. For the full picture of physical, social, and cognitive development, see our developmental milestones guide; here we focus on the listening and communication clues that hint at how well your child is hearing.

• Around 3 months: quiets, startles, or brightens at familiar voices and sudden sounds, and makes cooing noises.
• Around 6 to 9 months: turns toward sounds and voices, babbles strings of sounds like 'ba-ba' or 'da-da,' and begins to respond to their name.
• Around 12 months: responds consistently to their name, follows a simple request paired with a gesture, and uses one or two words.
• Around 18 months: points to a few familiar objects when named, understands simple questions, and has a small but growing vocabulary.
• Around 24 to 30 months: follows simple directions without gestures, uses many words, and begins to put two words together, such as 'more milk' — many children start combining words by age 2, and some a little later, closer to 30 months.

Missing a single milestone by a little is common and usually not a cause for alarm. A pattern of delays, a loss of skills a child already had, or a nagging sense that your child is not responding to sound the way they used to is a better reason to check in with your clinician.

Newborn hearing screening and what comes next

In the United States, nearly all newborns have their hearing screened before they leave the hospital. A widely used guide is the 1-3-6 approach: screening by about 1 month of age, a full hearing evaluation by 3 months if the screen is not passed, and early support services in place by 6 months if hearing loss is confirmed. If your baby was referred for more testing, it does not necessarily mean there is a problem, but it is important to keep the follow-up appointment rather than wait and see.

It is also worth remembering that passing the newborn screen does not rule out hearing loss forever. Some hearing loss develops later in childhood, after illnesses, injuries, or simply over time, so ongoing attention to your child's listening and speech remains important at every age.

How ear infections and glue ear can affect speech

One of the most common reasons a young child's hearing dips is fluid in the middle ear. After a cold or an ear infection, fluid can linger behind the eardrum, often called glue ear (otitis media with effusion), and muffle sound as though your child is listening from underwater. Hearing usually returns to normal once the fluid clears, and in many children the fluid resolves on its own within weeks to a few months.

Repeated ear infections or long-lasting fluid can cause enough on-and-off hearing change during the key language-learning years to slow speech in some children. This is why clinicians monitor persistent fluid and, in certain cases, discuss options such as ear tubes. To learn more, see our guides on glue ear and on other ear and hearing conditions. If your child has frequent ear infections or seems not to hear well after a cold, mention it at your next visit.

When to seek a hearing or speech evaluation: Trust your instincts. You do not need to wait for a certain age or a certain number of missed milestones to ask for help. Contact your clinician if your child does not startle or react to loud sounds, does not turn toward voices by around 6 months, is not babbling or responding to their name by around 9 to 12 months, has no single words by about 16 months, is not combining words by age 2, seems to lose speech or listening skills they once had, or frequently says 'what?', turns the volume up, or seems to hear only when facing you. Hearing can be tested reliably at any age, including in babies.

Getting a hearing and speech evaluation

If you or your clinician have concerns, two kinds of evaluation often go hand in hand. An audiologist can test hearing at any age using methods matched to your child's developmental level, and a speech-language pathologist can assess how your child understands and uses language. Your pediatrician or family doctor can refer you, and you can also ask directly, because a parent's concern is a valid reason to evaluate.

In the United States, free developmental evaluations are widely available. For children under 3, early intervention programs can assess and support communication; for children 3 and older, the local public school system can evaluate eligibility for services. Early support tends to work best, so it is better to ask sooner than to wait, even if the answer turns out to be reassuring.

Supporting listening and language at home

Everyday interaction is one of the most powerful tools for building communication, and it works alongside any medical care your child may need.

• Talk through your day, name objects, and describe what you are doing so your child hears words tied to real things.
• Read together every day; pause to point at pictures and let your child fill in words.
• Respond to babble and gestures as if they are conversation, which teaches back-and-forth turn-taking.
• Sing songs and rhymes, which highlight the sounds and rhythm of language.
• Reduce background noise from TVs and devices during play and meals so speech is easier to hear.
• Protect hearing by keeping volume moderate, avoiding sustained loud noise, and using hearing protection at loud events.

If your child goes through a period of reduced hearing, for example while glue ear clears, getting close, facing them, and speaking clearly can help them stay connected to language in the meantime.