Immaculate Conception, Roman Catholic dogma asserting that Mary, the mother of Jesus, was preserved free from the effects of the sin of Adam (usually referred to as “original sin”) from the first instant of her conception. ... Mary's privilege, thus, was the result of God's grace and not of any intrinsic merit on her part.

What is the true meaning of the Immaculate Conception?

The doctrine of the Immaculate Conception teaches that Mary, the mother of Christ, was conceived without sin and her conception was thus immaculate. Mary's sinless conception is the reason why Catholics refer to Mary as "full of grace".

Why is Mary Immaculate Conception?

Immaculate Conception of Mary. The Roman Catholic Church teaches that Mary herself was immaculately conceived. ~ Mary was filled with divine grace from the time of her conception. ... ~ Mary's immaculate conception was necessary in order for her to give birth later to Jesus without infecting him with original sin.