"Gracie seems to be the ringleader - maybe because she grew up in her own womb."
I wonder if she could get pregnant again mid-term. That would be a bitch!
CBC aired an interview with the attending physician. It was very interesting--he stated that she doesn't actually have two wombs, but a single womb (which looks normal from the outside) with two chambers. There was one infant in one chamber, and twins in the other chamber. Fascinatin' stuff . . .