I can't believe you guys responded so quickly. Thanks SO much. I guess from your replies that my son seems ok. I think.....
I am convinced that he understands everything. Even things that we don't directly say to him, he runs and brings, or shows total comprehension of. Nothing gets past him. He is very vocal most of the time, in sing song squeaks (a bit dolphin like), and lots of baby gabble. Lots of mummy-yeah, daddy-yeah and pointing to himself if he wants something. He points a lot of the time. If that doesn't work, he grabs your hand and takes you to whatever it is he wants you to see.
Other than that though, the words are few and far between. 'Woo-woo' is a dog, 'Yowie' is our cat, to get a drink he makes a glug glug noise and points to himself. 'Daddy-werr' is the latest (daddy work)and that was over a month ago.
He enjoys books and points loads but he gets bored quickly and I have noticed that when I'm trying to teach him a word, or point something out that requires some degree of concentration, he laughs and runs away. He does try to copy occasionally, but it often comes out so wrong! eg., 'Photo' has become a determined 'Hafoo'. I suppose I'm just concerned that I'm hearing the same phrases over and over again, and no new ones seem to be appearing.
Daddy1, your situation is scary..... maybe we have the same problem...? What IS mild autism anyway? How can they tell?
Since posting this chat, friends have told me that Winston Churchill didn't speak a word till he was 4. Great! Bet that didn't stop his mum from worrying though eh?....