Currently every state has a safe haven law where new mothers can leave an unharmed infant up to 7-30 days depending on the state anonymously at hospitals, fire stations or police stations and it’s not considered abandonment.
Finding people willing to adopt newborns is also fairly easy now.
I don't know about the US. But in fact it's hard up to impossible to adopt a child here in central Europe as there are WAY more couples ready to raise a child than children in the system that need parents.
Finding people willing to adopt newborns is also fairly easy now.