In fact, if you choose to breastfeed your baby right after delivery, this same stimulation is what will help your uterus shrink back to its original size. (healthline.com)
Babies who are newborn are not going to get the same stimulation from a toy as a nine - month old. (daddylibrary.com)
Your baby may get bored with the same stimulation all day. (newkidscenter.com)