Babies are not able to speak yet for the first few years after they are born. However, if the child is already 5 years old and is still stuttering, perhaps you should already see a specialist.
Some instances that merit the need to see a specialist include repeating whole words or phrases, sound and syllable repetitions start to happen more often, an increase in the prolongations of words, the childs speech begins to be effortful or strained, an increase in facial tension or tightness in the speech muscles, vocal tension resulting in high pitch or loudness, the child chooses to avoid speaking and other facial or body movements that go along with stuttering.
The specialist who will see your child is a called a speech language pathologist. This person is trained in human communication, its development and the various disorders including stuttering. Most individuals have a masters degree and must pass a state certification or licensure exam in order to practice as well have a certificate from the ASHA or American Speech-Language-Hearing Association. If the doctor is not around, a speech assistant can help out.
It is hard to ask your friends the name of a...