It isn't a 50/50, and men shouldn't have much input unless asked by the mother on what to do

The women carry the baby for 9 months, go through the pains of pregnancy, and are the ones that have to give birth to the baby. Along with that, oftentimes, the woman is often left by the man during those 9 months, since many men lack accountability and responsibility for their actions. The only time that a baby shouldn't be killed while the woman is still pregnant is within the last trimester, and even then, if the baby is going to live in pain, or it is going to result in the death of the mother, she should have the sole right to decide on what happens to that baby.