>The contract being common decency. Vaccinations are part of that contract (it affects others), pronouns are part of that contract (they affect others), abortions _are not_ (the only affect those having them, and potentially the medical professionals).
You say it only affects those having the abortion (ie, female), I was pointing out that there is AT MINIMUM the other parent involved, and there are tons of arguments a person could make about it impacting a much larger portion of people due to the societal/social impact this option brings out.