The Bible teaches that it is sin to kill an innocent human life on purpose
Genesis 9:6 “Whoso sheddeth man’s blood, by man shall his blood be shed: for in the image of God made he man
Proverbs 6:16-17 “These six things doth the LORD hate: yea, seven are an abomination unto him: A proud look, a lying tongue, and hands that shed innocent blood,
Is there anything more innocent that a child in the womb?