Phoebe claims that her conception date has passed in order for her to have the child she saw in her premonition from season 6.14. In that premonition, Wyatt and Chris are much older, meaning her foreseen pregnancy has to be further into the future.
The demon Emrick had two bloody scratches on his face from being attacked by the mutated krychek demon. Then Billy was able to cut Emrick with her knife and leave a bloody cut on his neck. However, it's been established several times throughout the series that demons don't bleed (at least not red).
When Henry asked Paige to help out with a baby in his care she responded "I don't do babies". In many episodes you see Paige taking care of her nephews Wyatt and Chris.