The Virgin Mary is certainly an exception whenever we speak of sin. We must recognize the immense gift of grace, being without sin because she was to conceive and beget the Messiah who would save mankind by wiping away the sins of the world. Because of our Blessed Mother, all creation receives new life from her abundance.
The angel who foretold the birth of John affirmed that the Holy Spirit would sanctify her womb to prepare her for the birth of Jesus Christ. The presence of grace of the Holy Spirit made Mary the sanctuary of the Redeemer of all sinners. That is why it is stated in our Catholic doctrine that she is free from the slavery to any sin. And what should give us even greater joy is to know that she is also our personal Mother, ready to intercede, ready to help us every time we pray to her.