Leviticus 12:2

12:2 “Tell the Israelites, ‘When a woman produces offspring and bears a male child, she will be unclean seven days, as she is unclean during the days of her menstruation.

Leviticus 12:5

12:5 If she bears a female child, she will be impure fourteen days as during her menstrual flow, and she will remain sixty-six days in blood purity.

Leviticus 22:6

22:6 the person who touches any of these will be unclean until evening and must not eat from the holy offerings unless he has bathed his body in water.