The hollobump wasn't real, even though it was Roxannes real bump.
Half(? a 13rd?) the crew including Naomi were confined to quarters.
Everyone thought that they were their aliases and fucked and killed as if their aliases were real.
Their FRENCH aliases.
Janeway ran a brothel for frakks sake!
On the other holodeck?
Neelix was a Klingon General who just won a war.
From what we know about Klingon excess, at the victory party he would have fucked everyone with a pulse.
I suppose all the men he had sex with wouldn't have resulted in many pregnancies, but there were girls everywhere too.