Thought_Officer:
It’s a personal decision because
- It is somewhat arbitrary at which point a developing cluster of cells and tissues is something distinctly human. Some people will say “When it looks human;” others might say “When there’s a heartbeat,” or even more arbitrarily “When sufficient neural activity is taking place.” There are no clear markers about which, if any of these, will constitute human life for the individual. There seems not to be a pre-written way in which we can make that determination, and so individuals decide for themselves.
I would first address the issue of whether or not a life is being taken during abortion.
After you have established a position on this affirming that indeed, abortion kills humans, you will then be ready to take on more specific situations including rape, incest, etc.
Personally, the most scientific and logical argument for the life present in a mother’s womb is the following:
• When an egg is fertilized by sperm, the two gametic cells become a zygote containing a genetic code completely different from that of the mother or father.
• This zygote at that moment is in every sense of the word, “alive.” It is undergoing the necessary metabolic processes needed to sustain life.
• By removing the zygote or the cells that the zygote transforms into during embryonic growth, a human life is terminated.
To address the more complicated issues that pro-choice advocates are likely to bring up, I pose the question: Is it ever acceptable to kill another human?
(Of course exceptions, usually involving self-preservation come up.)
If there are no issues with this question, you can easily justify Catholic teaching–intentional abortion is unacceptable, but in cases where a mother risks an embryo/fetus’s life to preserve her own (especially if the mother has other living children), any resulting abortion is not sinful.
It is important to recognize the gravity of situations in which rape have occurred. Still, going back to the question of whether it is acceptable to kill another human-- you may argue that a living human should never be punished for the crimes of its parents.
(My personal position on the morning after pill is not well defined because it is unclear whether it may aborts fertilized cells or if it only prevents the cells from being fertilized. Still, the risk of taking a life is too great for me to condone its usage.)