Leviticus 12:1-8
12:1-5 Childbirth guidelines are given (to protect health of mother and child) but again, our society has this fairly well-covered at this point.
12:6-8 Sacrifice is now defunct! Isaiah 1:11 “To what purpose is the multitude of your sacrifices to Me?” Says the Lord. “I have had enough of burnt offerings of rams and the fat of fed cattle. I do not delight in the blood of bulls, or of lambs or goats."