The Sims 3 Breastfeeding Mod -

While Cmomoney’s mod focuses on lactation, Cmar’s mod gives pregnant sims better body shapes. They are compatible if you load Cmar first, then Cmomoney.

The most famous and widely used mod for this purpose was created by modder Cmomoney (also known for the "Cmar" breastfeeding and pregnancy mods). While Cmomoney has since moved on from active modding, the Breastfeeding Mod for TS3 remains functional and is preserved on archives like ModTheSims and various Sims 3 backup repositories. the sims 3 breastfeeding mod

Before installing any breastfeeding mod, you must have: While Cmomoney’s mod focuses on lactation, Cmar’s mod