dogs are very "in tune" with how people are feeling. Maybe they are sensing that your body's changes in preparing for the baby?? I know someone who has an assistance dog because she has severe seizures- the dog senses the change in body chemistry. Same type of thing.
Evie 5 yo, Flashy Fawn- cropped
Adam 4 yo, Flashy Brindle- natural
~my dear Smitty at the bridge Oct '90~