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 15:19

Female Bodily Discharges

15:19 “‘When a woman has a discharge and her discharge is blood from her body, she is to be in her menstruation seven days, and anyone who touches her will be unclean until evening.

Leviticus 15:24

15:24 and if a man actually has sexual intercourse with her so that her menstrual impurity touches him, then he will be unclean seven days and any bed he lies on will be unclean.

Leviticus 20:21

20:21 If a man has sexual intercourse with his brother’s wife, it is indecency. He has exposed his brother’s nakedness; they will be childless.