Exodus 21:23 in the World English Bible
But if any harm follows, then you must take life for life,
Context
22 If men strive, and hurt a woman with child, so that her fruit depart from her, and yet no mischief follow: he shall be surely punished, according as the woman’s husband will lay upon him; and he shall pay as the judges determine.
23 And if any mischief follow, then thou shalt give life for life,
24 Eye for eye, tooth for tooth, hand for hand, foot for foot,