How to Mostly Eliminate Abortion
Eliminate poverty and provide Education.
The Conservative old school is to create rigid controls on everyone. The religion of the old school uses horrific curses upon the non compliant. Everyone is forced to submit to the theocracy like government. Severe penalties are imposed. The masses must be educated to keep them in control. The education that is provided is heavily controlled. Censorship is the norm.
The result is many unplanned pregnancies that would not happen in a liberal world. Where ignorance is greatly reduced.