Leviticus 12:8 in the King James Version
And if she be not able to bring a lamb, then she shall bring two turtles, or two young pigeons; the one for the burnt offering, and the other for a sin offering: and the priest shall make an atonement for her, and she shall be clean.
Context
7 He shall offer it before the LORD, and make atonement for her; then she shall be cleansed from the fountain of her blood. “‘This is the law for her who bears, whether a male or a female.
8 If she cannot afford a lamb, then she shall take two turtledoves or two young pigeons: the one for a burnt offering, and the other for a sin offering. The priest shall make atonement for her, and she shall be clean.’”