Pro-life is a Christian thing, and my country isn't Christian so it's not much of an issue here. When I studied anthropological psychology, I came across a lot of cultures who had a lot of casual sex, actually most. There were various herbal concoctions used for birth control and other concoctions to induce abortions. If all of those failed, quite a few societies practiced infaticide.
So pregnancy and termination thereof has been around since we discovered the pleasure of sex. The diaphragm and later the condom, were the first time that the West was able to practice birth control. Christian Churches of the time, Roman and Protestant, attempted to ban both! My parent's generation were dead-set scared of condoms and the failure rate thereof, which is why I told my children not to rely on them for birth control. The pill came into being during the 1960s as we all know, and then we had, for the first time, mastered birth control. Even then, thanks to Church pressure, Protestant and Catholic, it was illegal to prescribe the pill to unmarried women. That law was overturned in the early 1970s when Christianity ceased to be an influence, largely due to their anti-sex stands.