Why is the mother's choice to have sex relevant? If you believe that abortion is murder, how the child came to be is irrelevant. The only way that the mother'

Why is the mother's choice to have sex relevant? If you believe that abortion is murder, how the child came to be is irrelevant. The only way that the mother's conscious choice to have sex factor's into the equation is if the intent of abortion laws is not to protect children, but rather to punish women who choose to have sex.