My daughter is 18 months and still not really talking. She says "mama" when she is upset and wants me. She also will randomly say "milk" and "dada" but if you point to something (me, my husband, the dogs, ECT) she will not even try to say what it is. She doesn't try to repeat us either. She does babble all the time though. I know she should be saying more words by now but should I be worried and looking into some extra help or just wait a few months? (She has been slow to reach most milestones b...