I sat down heavily in Jack's swivel chair and settled myself.
"Well, Jack, do you recall how older and older female humans have been able to get pregnant through the recent technological advances? Well, I'm not exactly female or human, but... I've got a little miracle on the way. Perhaps two, if the zygotic divisions surpass their current numbers."
The captain's face had never lit so thoroughly as his blue eyes sized up my slim frame.
"Doctor! Will you show, or are you bigger on the inside, as well?"
Jack Harkness was grinning widely, and so was I.