I mean, how? Do I make reference to the fact that I am obviously pregnant? Do I leave it as the elephant in the room unsaid during the interview itself - and then tell them if they make me an offer? I am somewhere on the autistic spectrum, and am at the best of times dreadful at judging these things.
Organisation in question has an atrocious record on maternity discrimination - but it's a good job, on paper I look perfect for it, and financially I need to work.