When did your baby start to use consonant sounds?

Question

How old, and boy or girl? Oh! And what consonant sound?

Answer 1

my daughter has been doig mumumum when she is grizzling since about 5 months. she's now 6 months and i think i hear the occasional ba or da but she doesn't repeat it si it's hard to tell.

sorry for the lack of punctuation... typing one handed as DD is sleeping in my lap :)