So many countries which have believed that abortion is punishable in the past have changed their laws to accommodate abortion in a legal way. When a pregnancy is totally unwanted it could be nice to terminate such pregnancy in the early stage where it is blood rather than to allow it develop into a baby who will turn to a full grown adult to terrorize the society one day because of lack good parental upbringing. Every country has their laws and it is best to abide by the law of your own country.
Murder of innocent lives will be always murder of innocent lives, doesn't matter how society names it in the present time, or how they claim it's a good thing, through the logic that 'the end justifies the means'. Abortion is part of Eugenics practice, which aims eliminating undesirable groups from society by not letting them born, what also includes disabled individuals which can have their disability identified during the gestation.
The current socities ignore and neglect the misteries of life which still go beyond the comprehension of science. They think to be able to mould the world as they wish, through their moral relativisms, bypassing the 'law of causality' where everything has a cause and effect, as if it was possible to do so... In a world where each person believes to be possible and feasible to create their own truths, everyone ends living a mutual lie, where everything seems fake, graceless, boring and not satisfacting at all.