The day of the doctor AU

AN: I had this Idea that Clara was pregnant with the doctor's child during the name of the doctor but then changed it for the 50th anniversary then I thought why not make it into a challenge so then the rules are no M rated stuff. Also it has to start at the beginning of the day of the doctor and end after it. The setup could be like Clara knows that she's pregnant but doesn't tell the doctor till the moment scene. Or the doctor tells Clara when he calls her at the beginning of the special