Week 4- 5 developement

The spinal cords are developing, and the fetuses are beginning to grow facial features. The uterus will shortly fill with fluids to protect the fetuses. After this, it will be weeks until the puppies can be felt again. Piper's dog's appetite will likely increase, so we are increasing her food.  Toes take shape; whisker buds become visible; umbilical cord forms; embryo ~18 mm long