Leviticus 12:2-8

2Speak to the people of Israel, saying, If a woman conceives and bears a male child, then ashe shall be unclean seven days. bAs at the time of her menstruation, she shall be unclean. 3And on the ceighth day the flesh of his foreskin shall be circumcised. 4Then 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. 5But if she bears a female child, then she shall be unclean two weeks, as in her menstruation. And she shall continue in the blood of her purifying for sixty-six days.

6 d“And when the days of her purifying are completed, whether for a son or for a daughter, she shall bring to the priest at the entrance of the tent of meeting a lamb a year old for a burnt offering, and a pigeon or a turtledove for a sin offering, 7and he shall offer it before the Lord and make atonement for her. Then she shall be clean from the flow of her blood. This is the law for her who bears a child, either male or female. 8And if she cannot afford a lamb, then she shall take etwo turtledoves or two pigeons,
Septuagint  two young pigeons
gone for a burnt offering and the other for a sin offering. hAnd the priest shall make atonement for her, and she shall be clean.”

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