Leviticus 12:4

She will continue in purification from her bleeding for 33 days. She must not touch any holy thing or go into the sanctuary until completing her days of purification.

Leviticus 15:25-28

“When a woman has a discharge of her blood for many days, though it is not the time of her menstruation, or if she has a discharge beyond her period, she will be unclean all the days of her unclean discharge, as she is during the days of her menstruation.

Haggai 2:13

Then Haggai asked, “If someone defiled by contact with a corpse touches any of these, does it become defiled?”

The priests answered, “It becomes defiled.”

Luke 2:22-23

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

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