Exodus 21:21-23

Young's Literal Translation

²¹ only if he remain a day, or two days, he is not avenged, for he [is] his money.

²² `And when men strive, and have smitten a pregnant woman, and her children have come out, and there is no mischief, he is certainly fined, as the husband of the woman doth lay upon him, and he hath given through the judges;

²³ and if there is mischief, then thou hast given life for life,