yes, you can, you can get pregnant as long as you don't take the strange looking pill, that pill turns you into a succubus, and the file is messed up b/c a lot of events are not going to go well.
(Strange looking pill), it is purple with devil horns and a succubus design on the pill; but if you want to take it keep trying to use it then Sammy will take it then you will become a succubus.
you get a perk called sleeplessness; it works like if you're tired, unhappy, or take a hit to your confidence, have sex and all of those traits will charge up or fill up witch ever poison you choose there.