Exodus 21:22-25

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,