"Because this doesn't happen to humans," Chris says. There's a glass-thin layer of calm over the words, just enough that he doesn't break down as he admits this. "This had to be because you're a werewolf, and it's still so rare not even Deaton knew what to expect. And I'm not a werewolf, and your body still isn't made for pregnancy. There were bound to be complications. I just..." He shakes his head. He can't say any more.