Do Mormons believe in the virgin birth of Christ?
According to The Church of Jesus Christ of Latter-day Saints (LDS, which is commonly called the Mormon Church), the virgin birth of Jesus Christ is held in church doctrine. In keeping with mainstream Christianity, the belief is held as can be seen here, which is published by the church.
You can click here for a chart that compares the Mormon Church to what is deemed mainstream Christianity, as the former is not seen to be included in mainstream Christian doctrine, due to the vast differences that exist.