"Do we have to go to see Albert Einstein when I'm sick?" grumbled Rose, clutching her stomach miserably as the TARDIAS pitched and tossed in the Vortex. "I mean, really, I want bed rest and you say, no, how about we go see the greatest scientist in the universe instead. That's the same thing, right? Yeah, definitely—"
"Oh, come on, he wasn't the greatest," responded the Doctor. "That would be me, now that I've arrived. But if it'll make you feel better, I'll give you a scan—" He pressed a few buttons on the control, aimed the camera at Rose, adjusted his reading glasses, and promptly stared through the readings as though he had seen a ghost. "Blimey," he said, voice cracking. "That's… unexpected, to say the lea—"
"Doctor, what is it?" interrupted Rose worriedly.
The Doctor scratched his head. "I mean, I always wanted—but—haven't been in years—" He lapsed into muttering, then surfaced again with a sigh. "I know you wanted a bit more time just on our own…"
"Am I dying?" she demanded, abandoning her station and staggering weakly over to the screen he was watching in such a shocked way. God, I hope I'm not dying. But what she found was hardly better in her eyes. At least, right now it was…
"Pregnant?" she exploded. "What do you mean, I'm pregnant?"
((Short chapter, but there you are…))