The belief that Mary was a virgin when she gave birth to Jesus.

the theological doctrine that Jesus Christ had no human father; Christians believe that Jesus's birth fulfilled Old Testament prophecies and was attended by miracles; the Nativity is celebrated at Christmas

A concept negated by the view that God, a resurrected man with flesh and bones according to Mormon teachings, literally fathered Jesus in the flesh in the same way in which earthly men father their children. There is more on this off the main web page, "The Virgin Birth of Jesus Christ - What the Mormon Church Teaches" under the main heading, "Strange Mormon Teachings."

Birth of Jesus to Mary, who conceived by the Holy Spirit while betrothed to Joseph.

This is the Christian teaching about the miraculous conception of Jesus by Mary through the Holy Spirit. In other words, it is believed that Jesus did not have an earthly, human father.

The Virgin Birth is a key doctrine of the Christian faith, and is also held by Muslims (Qur'an 3.47). The doctrine asserts that Jesus was conceived in the womb of his mother, the Virgin Mary, without the participation of a human father.