Leviticus 12:2-8
Speak to the children of Israel, saying, If a woman have conceived seed, and born a man child: then she shall be unclean seven days; according to the days of the separation for her infirmity shall she be unclean.
Nave's Topical Index—AKJV

Luke 2:22
And when the days of her purification according to the law of Moses were accomplished, they brought him to Jerusalem, to present him to the Lord;
Nave's Topical Index—AKJV