Okay this maybe crazy and scandalous but have you ever thought it could be the doctor and Amy’s kid? I mean there must’ve been a reason she didn’t want to tell Rory right? because there was a picture of Amy holding a baby in the little girl’s room and that same little girl regenerated so we know it is Amy’s kid but is she Rory’s. The doctor seemed really concerned about the scans in the tardis with the fluxuating results positive and negative. So huh? Just think about it. I mean the doctor already has jenny his other daughter so you never know.