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.
When applied to the surface of the skin or as a hair dye, henna is generally safe for use during pregnancy. Select your dye carefully, and make sure that the dye you are using is 100% natural henna. Natural henna stains the skin orange, red, brown, cinnamon, brick, chocolate, or coffee, and can last about one to four weeks.
Although fairly limited, most research indicates the chemicals found in both semi-permanent and permanent dyes are not highly toxic and are safe to use during pregnancy. In addition, only small amounts of hair dye may be absorbed by the skin, leaving little that would be able to reach the fetus.