I was thinking the same thing. Full-on pregnancy wing and obgyn services.
Young men and women in a closed and confined space like that spells s-e-x.
Bad idea. They better put a lot of salt peter in everything on those subs.
Then again with gays now allowed to serve openly in the Navy now; why should they have all the fun?
Well, you have heard of the mile high club. They will have to coin a new slogan.