Leviticus 12:4

Then she shall continue for thirty-three days in the blood of her purifying. She shall not touch anything holy, nor come into the sanctuary, until the days of her purifying are completed.

Leviticus 15:25-28

"If a woman has a discharge of blood for many days, not at the time of her menstrual impurity, or if she has a discharge beyond the time of her impurity, all the days of the discharge she shall continue in uncleanness. As in the days of her impurity, she shall be unclean.

Haggai 2:13

Then Haggai said, "If someone who is unclean by contact with a dead body touches any of these, does it become unclean?" The priests answered and said, "It does become unclean."

Luke 2:22-23

And when the time came for their purification according to the Law of Moses, they brought him up to Jerusalem to present him to the Lord

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