Webimmaculate conception defined by pius ix. Pope john paul ii. According to this dogmatic definition, it has been revealed by god that mary was preserved from original. Webwe believe of the immaculate conception that, the most blessed virgin mary was, from the first moment of her conception, by a singular grace and privilege of. Webeven before the terms “original sin” and “immaculate conception” had been defined, early passages imply the doctrines. Many works mention that mary gave birth to jesus without.