Leviticus 12:4

Then she shall remain in the blood of her purification for thirty-three days; she shall not touch any consecrated thing, nor enter the sanctuary until the days of her purification are completed.

Leviticus 15:25-28

Now if a woman has a discharge of her blood many days, not at the period of her menstrual impurity, or if she has a discharge beyond that period, all the days of her impure discharge she shall continue as though in her menstrual impurity; she is unclean.

Haggai 2:13

Then Haggai said, “If one who is unclean from a corpse touches any of these, will the latter become unclean?” And the priests answered, “It will become unclean.”

Luke 2:22-23

And when the days for their purification according to the law of Moses were completed, they brought Him up to Jerusalem to present Him to the Lord

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