If you suspect your child is having a delay in either receptive or expressive language, discuss your concerns with your family physician or pediatrician. Milestones in Speech Development At 7 days of age, an infant can distinguish her mother' s voice from another woman's voice. At 2 weeks of age, an infant can distinguish her father's voice from another man's voice. At 3 months, an infant can make vowel sounds. The infant may be able to say as many as ten different words.
Strangers can understand the child's spoken language.
Introduce new vocabulary in a meaningful context, e.g., name specific foods at dinnertime. Avoid finishing sentences for the child. Back to the Table of Contents Sources Brazelton, T. Berry. Your child's emotional and behavioral development . Addison-Wesley Publishing Company.