I recently overheard a mom say that her son was 31 months! Why not just say that he’s two and a half? I plan on saying that Audrey is one after her birthday next month, but I’ve heard a ton of people talk about their kids ages in months for the first few years. So, I pose the question to you: What age do you think we should drop the “months” and move to “years”?
By the way, I’m 367 months old." My Cousin Natalie's Blog
My opinion is that the proper terminology should be as follows (and this is very scientific, you know!): ~ You should use months up to a year