It’s also a health issue. It involves choices about life, not unlike someone in a coma or another situation where they are unable to make a conscious choice about whether to continue or deny treatment.

One argument in favor of abortion I recall reading was comparing it to donating an organ while you’re still alive. You are under no obligation of donating anything, of risking your life to save another, even if you are literally the only person on Earth that can save the other. If medical professionals have to respect those choices, they should also respect the choice of mothers who decide to end an undesired pregnancy