Their voters range from “ultra-conservatives” to center right folks, who think that current law (one of the strictest in the world) is really enough and even some centrists, who were just fed up with impotence of the previous gov. So no matter what they do, they get in troubles with at least one of these groups.
Personally I think that current law is really enough. Instead of bringing up some medieval legislations, I would rather see some crackdown on abortion “underground”, which is not as huge as the “pro-choice” crowd claims but definitely exists here and state institutions don't seem to be doing much to fight it.
I guess you do not even look to this project so here you are and do not spread misinformation about total ban of abortion. http://www.stopaborcji.pl/wp-content/uploads/2016/03/projekt_2016.pdf Project was not from PiS. It was idea of organisation called ORDO IURIS http://www.ordoiuris.pl/projekt-stop-aborcji-—pytania-i-odpowiedzi,3882,i.html Here is dementi from prime minister Beata Szydlo: “PiS government has not worked and is not working on any law amending the current regulations related to abortion laws in Poland. Parliament hit the draft prepared by the citizens...” http://wiadomosci.onet.pl/kraj/aborcja-premier-szydlo-komentuje-czarny-protest/8jd54w