DS is bilingual: one parent, one language. He is 7 months now. I had noticed around 4 months sounds like "ga" "go" and "gee" but now there is nothing. Just vowel sounds like "ah" "ooh" which are more like grunts and squeals. I know he was later than other babies his age to blow raspberries, and he doesn't recognise his name - I think, as he looks at me if I use someone else name as well.
When did your bilingual child start to babble? Should I be concerned?
I can't remember the exact dates. But my DD1 was slow to start speaking. She was referred to a speech specialist just before her 2nd birthday by her nursery. But she had a sudden leap from when she was referred to when she saw the specialist. She suddenly started speaking in very long sentences. (3-4 words one, with a lot of vocals, but all in English). The speech therapist was very supportive of bilingualism. I wouldn't worry at 7mo.