You can learn a lot about someone's parenting by asking them when they first wet out in public with their newborn. You will hear everything from waiting 8 weeks to just hours after delivery. There truly is no right or wrong answer; however, know that taking baby out in public is very different from taking baby outside. Fresh air and vitamin D is necessary, so don't bottle yourself up in a bedroom for a month after having baby.
Having a birth baby is tend to lax on bringing the babies out, having a pretty healthy. Breastfeed and baby wear important.