Leviticus 12:2
“Speak unto the children of Israel, saying, If a woman have conceived seed, and born a man child: then she shall be unclean seven days; according to the days of the separation for her infirmity shall she be unclean.”
And the Lord spake unto Moses, saying,
Speak unto the children of Israel, saying, If a woman have conceived seed, and born a man child: then she shall be unclean seven days; according to the days of the separation for her infirmity shall she be unclean.
And in the eighth day the flesh of his foreskin shall be circumcised.
And she shall then continue in the blood of her purifying three and thirty days; she shall touch no hallowed thing, nor come into the sanctuary, until the days of her purifying be fulfilled.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And when the days of her purification according to the law of Moses were accomplished, they brought him to Jerusalem, to present him to the Lord;”
“And to offer a sacrifice according to that which is said in the law of the Lord, A pair of turtledoves, or two young pigeons.”
“Who can bring a clean thing out of an unclean? not one.”
“Also thou shalt not approach unto a woman to uncover her nakedness, as long as she is put apart for her uncleanness.”
“Behold, I was shapen in iniquity; and in sin did my mother conceive me.”