The dominant argument appears to be that it is okay for the state to remove rights that you had when you were living from you, as long as you're dead. And female. And pregnant. Basically, the argument, as I understand it, is that the state of TX believes private citizens are incapable of thoughtful and prudent decision making at the end of life, so they have to help them out and make decisions for them.
The state of Texas is willing to intentionally force dead citizens to become experiments produce very likely profoundly damaged future citizens, balanced with the outrageous fantasy that cardiac arrest has no effect on a developing fetus.
Apparently, legislators in Texas are incapable of understanding basic maternofetal physiology, IMO. Or, they have another agenda. Which one?
You are making it sound as if dead people should have the same rights as the alive ones. What rights do dead people normally have?