Leviticus 12:4

And she shall continue thirty-three days in the blood of her cleansing; no holy thing shall she touch, nor come into the sanctuary, until the days of her cleansing are fulfilled.

Leviticus 15:25-28

And if a woman have her flux of blood many days out of the time of her separation, or if she have the flux beyond the time of her separation, all the days of the flux of her uncleanness shall she be as in the days of her separation: she is unclean.

Haggai 2:13

And Haggai said, If one that is unclean by a dead body touch any of these, is it become unclean? And the priests answered and said, It shall be unclean.

Luke 2:22-23

And when the days were fulfilled for their purifying according to the law of Moses, they brought him to Jerusalem to present him to the Lord

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