Robin isn't pregnant, can't have kids and never does. It was a great fakeout episode with the kids we were supposed to believe were Robin and Barney's. It was an odd format too since the show is a story being told by Ted. Anyway, now we're back to wondering about the status of Robin and Barney. They might end up married with no kids or Barney might end up with someone else. I get the impression that when Barney does get married, it will have been a sudden decision.