The 14th Amendment forbids states from depriving a “person” life, liberty or property without due process.
Some states have defined the unborn child as a “person”. This is key, because it means that once an unborn child is legally designated/identified as a “person”, it is protected under the 14th Amendment.
I don’t think that is going to happen. You are basically saying that you want anyone who has an abortion to go to jail for murder. People don’t agree on this issue which is why it is used politically to cause people to lose elections. If we are being realistic you have to start with doing a lot of evangelizing before that would come to fruition. That’s the best place to start for that position. Otherwise that would never pass.
There are Countries that do start birthdays on the day of conception rather than the day of birth. So for everyone living there that is the belief.