It takes four hours real time for the mother to stop nursing and then you have to wait until the parents are ready to have another baby; just keeping bringing them to each other. In some games the...
It takes 4 hours for the baby to grow into a 2 year old. I don't know how long it takes for them to become 18 yrs tho. All I know is that when they're 18 they go off to college.
I've been playing sims for like almost two years now. And I make my sims have babies all the time and from my experience this is how it actually happens: Babies: 3-4 days Toddlers: About 4 days...