As per the title really. Got one of those bounty emails on development which said by 15 months, babies should have at least 10 words. DS is 16 months and doesn't really say anything. He used to say Mummum and ta ta but stopped around the time he started walking.
A friend brought her DD, ten days younger than DS, round this week and she can say alot! Both her brothers relatively hard to pronounce names, and a few other words.
I talk to DS alot, as does my aunt who minds him whilst I'm working, but I'm really starting to worry.