Newborn Sims will finally have a wider range of skin tones to better match their genetic makeup, and they'll also keep their eye color for life. Having a Science Baby will cost 1,200 Simoleons. Through Social Interaction or the in-game Phone, you can choose for your Sims to have a Science Baby! There are even two options along the Science Baby route: On the topic of Newborn Sims, doing the woohoo is no longer the only way for a Sim to become pregnant. Newborn Sims will now age up in only a few days before they become Infants. So how do Infants work? There are a couple of ways to welcome an Infant into your Sims household.
this content update is free to anyone who owns The Sims 4.
That's right, Infants have been added to base game in this Sims 4 patch on March 14, 2023.