Although i stand by what i say, i still think there's no chance it'd ever happen. Also, it's a bit unclear because i'm partly envisaging what would happen in the regeneration after next rather than whatever's about to happen. Incidentally, i think the Valeyard is involved. I'm also virtually certain they'll just ignore the twelve regenerations thing without explaining it, or if they do, they won't make a plot point out of it. Maybe the Doctor just prefers to be male for some reason. Romanadvoratrelundar regenerated in a wide variety of forms and seemed to have control over her species, so why is the Doctor always a white male?
Tomorrow will of course involve two videos. The non-pregnancy one will be different than usual.