Reviewed by a licensed speech-language pathologist
Quick answer: Baby sign language does not delay talking. When signs are paired with the spoken word, a child keeps hearing speech while gaining an early way to communicate. Most children give up signs on their own once words come easily. Signing is a bridge to talking, not a detour around it.
Plenty of parents worry that teaching a baby to sign might make talking feel unnecessary, so the child stalls on speech. It is a fair concern, and it comes up in almost every conversation about late talkers. The short version is that the worry is not supported by what researchers and clinicians see. Signing tends to sit alongside speech, not in place of it. Below is how that plays out and how to use signs in a way that supports words.
Does baby sign language delay talking?
The idea behind a baby sign language delay talking fear is that a child who can point to what they want will stop bothering to say it. In practice, that is not how communication develops. Gestures are a normal, early part of language for every baby, hearing or not. Waving, pointing, and reaching all appear before first words and predict later talking. Teaching a few extra signs simply adds to that natural gesturing.
The key is pairing. When a parent signs “milk” and says the word at the same time, the child hears the spoken form every single time. Signs give a young child a way to be understood before their mouth can form the words, which usually lowers frustration rather than lowering motivation to speak. As talking gets easier, most children drop signs without any prompting, because words are faster and everyone around them uses them.
What does the research actually suggest?
Studies on baby signing have produced mixed but generally reassuring results. Some early research reported a boost to vocabulary; later work found the boost was smaller or hard to separate from the extra attention involved in signing with a baby. What no credible study has shown is that signing harms speech or holds it back. The consistent takeaway is that signing is safe and that any benefit likely comes from parents paying closer attention to their child’s attempts to communicate.
That last point matters more than the signs themselves. Responsive back-and-forth, where an adult notices what a child is trying to say and answers it, is one of the strongest drivers of language growth. The Hanen Center, which trains parents and clinicians in early language strategies, emphasizes this kind of tuned-in interaction as the heart of helping late talkers.
How does signing help a late talker specifically?
For a child who understands language but cannot yet produce many words, the gap between wanting and saying can be miserable. Tantrums, whining, and giving up are common. A handful of signs gives that child a pressure valve. They can ask for “more” or say “all done” and get a real response, which keeps them engaged in communicating instead of shutting down.
That said, signing is a support, not a diagnosis. The American Speech-Language-Hearing Association describes late language emergence as a delay in spoken vocabulary in toddlers who are otherwise developing typically. Some of these children catch up, and some do not, and there is no reliable way to tell them apart early. Signing can make daily life smoother, but a child who is clearly behind still needs a professional evaluation.
When should I start, and which signs work best?
Many families start around 6 to 9 months, once a baby can watch a parent’s hands and hold attention. Babies often begin signing back between 8 and 12 months, though the range is wide and nothing is wrong if it takes longer. Start small. Pick signs tied to strong motivation and daily routines: milk, more, eat, all done, and help. These give the child a real reason to try and an immediate payoff.
Always say the word as you make the sign, keep it playful, and follow the child’s interest. If a child improvises their own gesture, accept it and pair it with the word. The goal is connection, not perfect handshapes.
How can I support talking beyond signing?
Signs are one tool. The bigger picture is a home full of relaxed, frequent talk. Narrate what you are doing, name objects the child looks at, pause to leave room for a response, and expand whatever the child offers. If a child signs “dog,” you might say, “Yes, a big brown dog.” The Centers for Disease Control and Prevention encourages families with any concern about milestones to act early rather than wait, and their milestone checklists give a clear reference point for ages like 18 months and 2 years.
When words are slow to come, short daily speaking practice can help fill the space between play and any formal support. Voice-first tools such as the Little Words speech companion give a toddler low-pressure, play-based chances to practice saying words each day, which can sit alongside signing and pair naturally with the words you already model at home. Practice like this is a supplement to speech therapy, never a replacement for it, and it should stay light and fun rather than turning into a chore.
When should I stop worrying and get an evaluation?
Signing can buy comfort, but it is not a substitute for professional eyes. Reach out for an evaluation if a child has few or no words by 18 months, is not combining two words by around 24 months, seems not to understand simple requests, loses skills they once had, or is very hard to understand for their age. The American Academy of Pediatrics and the CDC both encourage acting on a gut feeling rather than waiting to see. Early support carries little downside.
Key takeaways
- Baby sign language does not delay talking. Signs paired with words keep speech in the picture.
- Gestures are a natural early part of language, and most children drop signs once words come easily.
- Research shows signing is safe. Any benefit likely comes from parents tuning in more closely.
- Signing eases frustration for late talkers but does not replace an evaluation.
- Get a child assessed if they have few words by 18 months or are not combining words by 24 months.
Frequently asked questions
Does baby sign language delay talking?
There is no good evidence that it does. Signs are usually paired with the spoken word, so children keep hearing speech, and most drop signs on their own once words get easier.
When can I start baby sign language?
Many families begin around 6 to 9 months. Babies often sign back between 8 and 12 months, though the timing varies widely.
Which signs should I teach first?
Start with signs tied to routines and strong motivation, such as milk, more, all done, eat, and help. These give a child a real reason to communicate.
Will my late talker benefit from signing?
Signing can lower frustration by giving a child a way to be understood while speech develops. It does not replace an evaluation for a child who is well behind milestones.
Should I keep signing once my child starts talking?
You can fade signs naturally. Keep saying the word every time you sign, and let the child lead. Most children stop signing on their own once talking is faster.
Sources
- American Speech-Language-Hearing Association: Late Language Emergence (Late Talkers) (asha.org)
- Centers for Disease Control and Prevention: Milestones at 18 Months (cdc.gov)
- American Academy of Pediatrics (HealthyChildren.org): Toddler Development and Language (healthychildren.org)
- The Hanen Center: Late Talkers and Early Language (hanen.org)
- Centers for Disease Control and Prevention: Developmental Milestones (Learn the Signs. Act Early.) (cdc.gov)
