Originally Posted by MikeThierry
Do you think it adds new story lines they could pursue in the future? I know Talisa was of royalty. Martin has a heavy hand in the TV series so I don't see any problems with the show differing from the book a bit.
I don't think so.
If anything, it kills off a popular theory from the book readers (that Jeyne Westerling is pregnant with Robb's child). Stabbing Robb's pregnant TV wife in the uterus might have been GRRM's way of putting an end to that particular theory.