A child may be able to say a word or phrase well in a relaxed setting but, when he is put on display and asked to  Tell Grandma..., the plan for saying that word or phrase is not accessible, and the child fails. Children with DAS may also lose words.
Is it safe to color hair with henna during pregnancy? Henna is totally herbal, which can be applied by expecting mothers without any doubt, or hesitation. In fact it has been recommended by doctors and experts as well. Coloring hair with henna is far better than using synthetic chemicals.
Black henna can contain many things except henna. It is likely to contain indigo or other more permanent dyes and it's not safe, it can cause allergic reactions in many cases. Normal henna leaves a brownish color. I'm not sure where you are or what your means are but home hair dyes are a much better alternative.