For most of the last 6000 years we've been significantly constrained by medical technology. The philosophy has little room to develop when abortions are basical

For most of the last 6000 years we've been significantly constrained by medical technology. The philosophy has little room to develop when abortions are basically impossible to safely carry out, we have essentially no visibility into what is physically happening in embryonic development, and childbirth itself is ridiculously risky. It was within the last 250 that a Queen-to-be and fetal King-to-be both died in childbirth, substantially altering the line of succession of one of the richest and most powerful monarchies in history (Princess Charlotte dying in 1817). I'm not advocating for or against, to be clear. Just pointing out why society wouldn't have been worrying too much about it as a whole - there weren't a lot of options for us to meaningfully intervene in the process and everyone died a lot anyway.