Leviticus 12:4; Leviticus 27:4

Leviticus 12:4

4 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.

Leviticus 27:4

4 And if it be a female, then thy estimation shall be thirty shekels.