Originally Posted by chickenpotpiesarehot

It's not Kate's baby. It's Claire's baby. The world outside the island onlyl thinks it's Kate's baby. To them Kate has been gone long enough to have gone through a whole pregnancy, had the baby, and had it grow to around 3 or more years old. I was saying that because of the time delay off of the island, it would be totally believable to them that Aaron is Kate's baby, timewise. Especially if there is no Claire around to disagree. Since she's dead, Zed, Claire's dead.