My 20 month old can communicate non-verbally with gestures etc, and understands a lot of words. However she doesn't really use any words herself. In the last couple Of days she can say 'mumma' and 'dadee' very clearly, and can say lots of other words if we ask her too. But she isn't using them of her own accord.
She loves books and will bring them to us to read to her. Also has an older sibling who she plays with, and who I might be comparing her to (perhaps unfairly!).
She has always been a bit slow with speech milestones. What can I do to support her? When do I need to worry?