Its been about three weeks now and my infant will age up to toddler only to immediately age up to a child. I play super vanilla, only using the packs for content; no crazy downloads or mods. I've loo...
Ideas
My new born skipped the infant stage and went directly to toddler (she is a spellcaster... don't know if that is relevant or not). Also when she became a toddler they were invisible until I restarted the game.
