It could be Jin's baby the island seems to have healing powers.
yup, the island healed Locke's legs. maybe it helped Jin's "little guys." ya never know.
i only saw the last 10 minutes of this episode as usual, and the exchange between Gale and Jack and Locke was CRAAAAZY
i don't mind the spoilers. I"m gonna download this episode probably tomorrow... whenever it's up on Itunes