Your baby's learned to pay attention and to listen. He's beginning to understand you when you talk to him and during his second year, at some point, he'll start to use words himself.
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Speech: infants
Your baby depends on you to keep him alive, warm and comfortable. His first cries are the only way he can communicate with you, and he cries with a sound that you just can’t ignore. You’re right in your instincts to use his cries as a signal that you need to look after him.
Doctors now know that the stress of prolonged crying encourages the production of the chemical cortisol, as Penelope Leach points out in her book “The Essential First Year – What Babies Need Parents to Know”. It’s true that humans all need cortisol, to help reduce inflammation and encourage the metabolism of some foods, too much in the brain can slow development.
It doesn’t hurt your baby to cry a little: all babies cry sometimes, but remember that he is communicating with you in the only way he can, and be responsive.
When you feel you need to do something for him, you’re right. That’s what he’s telling you with his cries.
In the early days and weeks, you might notice he uses slightly different cries for a variety of purposes. He may have a hungry cry, for example, that you notice is different from the cry he uses when he’s uncomfortable. By 3 months, he’ll know he can use his voice to tell you when he’s pleased or unhappy; excited or tired, and from now on, you’ll hear plenty of coos, gurgles and shouts.
Speech: listening skills
Remember that second key: listening. He’s been listening all the time: to the things around; to human voices and, most importantly, to your voice. He’s heard your intonation patterns: the tune of your speech as your voice rises and falls. He’s heard your voice rise in a question, get louder when you’re annoyed, become low and soft when you play baby games with him.
Speech: practice
Meanwhile, he enjoys his own noises. “Ga ga” he says, his tongue falling naturally into that position. He likes it, repeats it and finds other sounds that are fun. Soon he starts babbling and he finds that you join in, encouraging all the noises, repeating strings of nonsense back to him.
Between 6 months and 1 year, he plays often with babbling noises, trying out all the sounds of speech. He doesn’t stick to his native language, but includes sounds he’ll never need to use. Over time, his babbling begins to sound more and more like your speech, even though there are no real words there yet.
His strings of sounds get longer and he joins them together until he produces something that seems just like the intonation patterns of speech. At this point, parents sometimes feel their baby is trying to talk. He is playing with sounds, getting ready to launch himself into speech, and it’s not until he can sequence his sounds with a meaningful word that real speech begins.
Speech: feedback
At some point during this sound play, he hits on a combination of sounds that resemble a word.
“Da,” he says as his father picks him up, “Da-da-da.”
Delighted, his father smiles, cuddles him and repeats the word. What a reward. He tries that again. Every time he makes that combination of sounds, at the right time, you’ll celebrate, repeat it and reinforce it. As his accuracy improves, he gets it right every time, encouraged by your excited feedback. There it is – “daddy”: his first word.
Your child’s first word may be something different. Maybe he says “Mama” first.
Teddy is hungry. Mummy gives him a banana. 
