Their argument, as such, is that it isnt a matter of reproductive healthcare at all, but murder. I know of a few states that would file multiple murder charges in the case of killing a pregnant woman, for example.
All the comparisons to a handmaidens tale, yelling about womens rights and reporductive health will never change their mind... No different than the accusations of Larry Elder being a white supremacist.
I don't know why people use DNA uniqueness as a qualifier of anything. Are identical twins and clones not alive? Heartbeats aren't a measure of life either and, at 6 weeks, there is still no functioning heart. So despite the colloquial usage of the term, there is no heartbeat.
Except that coma patients are not dependent on another specific individual to stay alive. If one needed your kidney to live, but you refused and they died, you would not be responsible for their death.