Worried your 14-month-old isn't talking yet? Explore typical communication milestones, common causes for speech delays, and when to consult a specialist.

If your child regularly leaves sounds out of words, replaces one sound with another, or has difficulty making certain sounds clearly, you may wonder whether they have an articulation disorder. Some speech sound mistakes are a normal part of learning to speak. However, persistent or unusual speech sound difficulties can sometimes indicate a speech sound disorder (SSD) that may benefit from assessment and support from a speech-language pathologist (SLP). Understanding the diffe