Can pregnant dwellers in Fallout Shelter dance?

I got an objective to have 15 male and female couples dance. I'm at 9 times now and I've only 2 pregnant women (I only need 2 right now, might ruin it if I get another one).

My question is: if I put a pregnant dweller with a male dweller in the living quarters, will they still dance?

Solution 1:

Dwellers dance when they are about to make a baby.

Given that pregnant dwellers can not get pregnant, no. Pregnant dwellers will not dance.

I have confirmed this with a GameFAQs forum post, where a user advises on how to complete this objective quickly, and without the issue of having to worry about overpopulation.

TL, DR: As soon as the dwellers start dancing, it counts as them having danced. Immediately move one of the dwellers to a different room, then immediately move them back. The "baby making process" will reset, and you will have made them dance, without getting one of them pregnant.

Solution 2:

No. When your dwellers dance it means that they are preparing to have a baby. And some advice to you: Don't get too many dwellers pregnant, because they won't fight if there is an attack.