https://www.humanreligions.info/tags/virgin_birth.html
Human Truth Foundation pages (4):
When Was Jesus Born? What Year, and Which Day?: 3. The Stories of the Birth of Jesus: What Do We Know?
Jesus Did Not Exist: 1.3. There is No Evidence for the Story of the Birth of Jesus
The Gospel According to Saint Matthew: 2.1. There Was No Virgin Birth
The Birth of Jesus and the Christmas Story: Pagan and Unhistorical