Er, that would be "Virgin Birth," i.e., conception by a means other than sexual intercourse. In Catholic and Orthodox theology, "Immaculate Conception" refers to the Virgin Mary's being conceived by natural means, but (miraculously) without Original Sin.
(/theological quibble)
Thanks for the thought ... my kids, my mom, and I will be seeing the movie next week, and I will watch for the scene you mention!
Can you tell I was raised Protestant?