Any mommies on here have children under the age of 2 and pregnant? i've been trying to explain to my 1 1\2 year old mommy has baby in her tummy and she's going to be a big sister but I don't thing she understands plus she also has speech delay. I'm so nervous she's going to resent me and the new baby when she gets here. my oldest was the same age when I had my middle and she understood