Giuliani himself declined to respond directly to the pope's comments and wouldn't answer questions about whether he believed his support for abortion rights could damage his standing in the church.
"I don't get into debates with the pope," Giuliani told reporters.
"Issues like that for me are between me and my confessor. ... I'm a Catholic and that's the way I resolve those issues, personally and privately," he said. "That's what religion is all about -- it's something that's between you and your conscience and God and then whoever your spiritual advisers are.
"The Giuliani campaign Wednesday night deflected questions about Giuliani's spiritual advisers and whether he takes Communion -- saying, as the mayor did, that those are private issues.