"Incancy narrative" refers to a story or account that explains and describes the early stages or beginnings of something. It often focuses on the birth, childhood, or early experiences of a person or idea. Full definition
And from Professor Gerd Ludemann in his book, Jesus After 2000 Years, pp. 269 - 272, «The historical yield of the Lukan infancy narrative in respect to the birth of Jesus is virtually nil (ditto for Matt. (religion.blogs.cnn.com)
The entire infancy narrative was cooked up by the gospel inventors. (religion.blogs.cnn.com)
November 21, 2012 — The pope's book Jesus of Nazareth: The Infancy Narratives is released. (religion.blogs.cnn.com)