This article is from January 2014. How civilized:
As horrifying as the killing of newborns seems to modern people, in ancient Rome, babies weren’t considered fully human upon birth, Mays said. Instead, they gained humanity over time, first with their naming a few days after birth, and later when they cut teeth and could eat solid food.
Whereas today, they are considered fully human after birth, but not before. Moving target, these “progressive” ideas.
by 
And, we have to remember that infanticide is starting to be looked upon somewhat favourably, at least in those same progressive circles. My, how far we’ve come.