I think the female(if you can honestly call her that) should be given the same sentence as her companion.
Newsday.com: Man Gets Life Under Fetal Protection Law: “Erica Basoria, 17, acknowledged asking Flores to help end her pregnancy; she could not be prosecuted because of her legal right to abortion.
The defense contended that Basoria punched herself while Flores was stepping on her, making it impossible to tell who caused the miscarriage.
Basoria told authorities that, after about four months of pregnancy, she regretted not getting an abortion and started jogging and hitting herself to induce a miscarriage. When her efforts failed, she said she asked her boyfriend to help. “