Jaden was a very slow teether. And, a slow talker. As the youngest of four, I think he just didn't feel the need. We did have him evaluated right before his second birthday and he did/does qualify for speech services, which have been wonderful. But, I would wait another six months or so, as long as he is attempting words and sounds(Jaden didn't) and as long as he doesn't all of a sudden stop trying. In some ways, I think the second child is more difficult to figure out than the first!