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Bear Smith's avatar

I think the question of when life begins is the wrong one to ask.

Take any animal, insect, or other non-human being for example. It certainly has a life by all three of these definitions. Yet, unless we are to become vegetarians all, we agree that the simple fact that they are alive does not confer them with rights.

The question we should instead ask is when rights attach. Because at this point, the fetus is morally indistinguishable from any other human being in terms of its right to life.

This question can easily lead down a rabbit hole of ethics discourse, but I think we can easily chart the two component questions of when rights attach to humans:

1) What differentiates humans from other living beings in such a manner that we are granted different moral value?

2) When in the gestation process is the earliest that this is likely to occur (erring on the side of over-inclusion to limit the likelihood of rights violations should our scientific understanding be incorrect).

To avoid boiling the ocean, I'll err on the side of being overly simplistic in my answer. In my opinion:

1) The prime differentiator between humans and other living beings is the depth of our sentience. While any other fauna can use its brain to execute directives in order to sustain its own life and the continuation of its species, humans are either alone or among a very small number of animals that have a serious sense of self-awareness.

2) It's unclear when this happens, but the earliest that it is likely to happen is when the fetus reaches pain capability, or the ability to process various stimuli such as pain. This is important because the ability to respond to stimuli is required in order to be sentient. Based on the body of existing research, this occurs - at earliest - when the brain stem attaches around 14-21 weeks. Again, erring on the side of over-inclusion, we should assume the fetus would then reach pain capability - and therefore meet the conditions that grant it the higher moral status that humans are granted - at 14 weeks post-conception.

While I do not hold on strongly to the 14 week mark, It is significant because it the best approximation that we can reach for when a human is sufficiently different from any other living creature that it is granted the right to life. I am certainly open to changing from this position, I find the use of when life begins to be the least compelling path to an answer that doesn't place man on the same moral plane as the cattle I eat for dinner.

Note: one potential counterargument is that we indeed are granted the same moral agency as animals, and that we are simply the apex predator. I do not believe this to be a valid one as we accept intra-species killing between animal species over status or procreation rights etc, but obviously should not accept that I can kill you in order to have children with your wife, or kill the mayor of my town in order to claim the throne.

Lastly, I am aware that my position likely necessitates granting the right to life to certain apes, and potentially some marine life such as dolphins and/or octopi. I'm fully comfortable with this and don't see any logical consequences that would be dissonant or absurd.

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JP Ferreira's avatar

What about the notion of "viability," the point at which a fetus can survive outside the womb? This is a more elastic notion that is contingent on technological development, and at the time Roe was decided in 1970s was the beginning of the third trimester. It fits with similar ideas we have those in hospitals requiring medical technology to survive.

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