Here's an article about Fundamentalist Christian violence.I wasn't aware that the Christians were rioting and bombing. Bad on them, then, too, glad you see it works both ways.
A pregnancy centre in America is a place where they look after pregnant women, try to hook them up with whatever resources they need. Some run by churches, some not.
Canada has no laws about abortion, and even most conservative politicians say they support that - including keeping sex selective abortion legal. The only couple of redeeming features here are that abortion is pretty rare generally, and even though it's technically legal up until the moment of birth, you probably won't find a doctor who'll do it past 12-15 weeks.
Abortion clinics have been harassed and blocked by hysterical Fundamentalist Christian protesters ever since Roe was passed. They hold signs showing fully developed fetuses when over 92% of abortions are performed in the first trimester, and the later ones are due to medical threats to the mother's health. About 25% of all fetal deaths are due to natural abortions, which are called "miscarriages", also almost all in the first trimester.
Here's an article about pregnancy-related deaths of mothers, which the Fundamentalists care nothing about. Just an "insignificant" minority, like pro-vaxxers not caring about severe adverse consequences of getting vaxxed.