Time is so slow these days. The anticipation of Lucy being pregnant is so exciting and I can hardly wait.
On days 15 to 21 your dog may begin to display mood swings, appetite changes, and breast tissue development. At this point, implantation has taken place and the embryos begin to develop.
Lucy has not been "acting" strange, maybe she is sleeping more and she did actually go to her food bowl yesterday and want food. She rarely wants more food.