Catholic
? doctrine that the [Virgin Mary]
? was preserved by God from the transmission of
Original sin at the time of her own conception. It is not, as is popularly believed, another name for the doctrine of [Virgin birth]
?. Immaculate Conception was announced by [Pope Pius IX]
? in his constitution
Ineffabile Deus, published December 8, 1854 (the Feast of the Immaculate Conception), speaking [ex cathedra]
? using the doctrine of
papal infallibility.
/Talk