Can sims have kids in sims pets

yes they can you make parents then move them into a house and make sure their relationship is 100 then to have them relax in the bed and then if your on the mom click on the dad and it will say try for a baby click that and when their dont youll hear a baby song thing and youll know that their really having the baby and it will take the mom a day to get fat but she has to puke first