You call your baby's name while they are busy with a toy. Nothing. You try again, a little louder, and suddenly you are searching for what it might mean.
One missed response does not tell you whether your baby can hear or how they are developing. But a repeated concern is worth sharing, not waiting out in silence. The CDC lists looking when called by name among the things most babies do by nine months. A milestone is a prompt for a conversation, not a home diagnosis or a pass-or-fail birthday test.
What to notice without turning it into a test
Over ordinary play and care, jot down a few real examples: did your baby look, pause, smile or turn when you spoke? Were they deeply focused, tired or unwell? Do they react to familiar voices or everyday sounds? Do they make different sounds back and enjoy face-to-face games? These details help a professional understand the whole picture. You do not need to repeatedly call from behind them, make loud noises or keep score all day.
If you have seen your baby respond before, note roughly when that changed. A skill that has disappeared is a reason to speak to a clinician promptly, even if a milestone chart suggested there was time to spare. The CDC advises acting early when a child loses a skill, misses a milestone or a parent has a concern.
For a baby born prematurely, tell the professional their birth and due dates too. Our corrected-age guide explains why that context matters; it should not be used to dismiss a hearing concern.
Could hearing be part of it?
It could be, but a blog post cannot tell. A clear newborn hearing screen is reassuring, yet the NHS says it does not detect every type of hearing loss and hearing can change later. If you are concerned, contact your health visitor or GP and ask whether a hearing assessment is appropriate. You do not need to prove a problem at home before asking.
There may be other explanations for a child not looking up in a particular moment. Try not to decide from a single sign that your baby has—or does not have—a developmental condition. A professional can consider hearing, communication, health and the rest of your baby's development together.
A two-minute note for the health visitor
You can say: “My baby is nine months old. I rarely see them look when I call their name. They did look once last week during play, but not during meals. They do turn towards the doorbell. Can we talk about hearing and development?” Use only what is true for your child; not noticing something is useful information too.
Take your red book and mention any previous hearing-screen result, ear problems, other changes or skills you have seen. The NHS says the 9-to-12-month development review covers language and learning, but you can contact your health visitor or GP before that appointment if worried. Our appointment-notes checklist helps keep the question short.
In the current OBubba app, Grow → Milestones includes “Responds to own name” among the language milestones. You can mark a first you genuinely saw and its date, or leave it unmarked. An unchecked item is not a diagnosis, and OBubba cannot test hearing or decide whether a referral is needed. The useful next step is the human conversation.
Not looking when called is different from being unresponsive or hard to wake. If your baby is floppy, unusually difficult to wake, or has trouble breathing, follow the NHS urgent-help guidance and call 999 for an emergency.
This is general information, not a developmental or hearing assessment. You know your baby, and you are allowed to ask early. If keeping a few real firsts in one place would make that conversation easier, explore OBubba—then let your health visitor or GP guide what happens next.
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