Leviticus 15:28-30

Amplified Bible

²⁸ When she is cleansed from her discharge, then she shall count off for herself seven days, and after that she will be clean. ²⁹ Then on the eighth day she shall take for herself two turtledoves or two young pigeons and bring them to the priest at the doorway of the Tent of Meeting; ³⁰ and the priest shall offer one as a sin offering and the other as a burnt offering; and he shall make atonement for her before the Lord for her unclean discharge.’