Luke 1:35-39

And the angel answered and said unto her, The Holy Ghost shall come upon thee, and the power of the Highest shall overshadow thee: therefore also that holy thing which shall be born of thee shall be called the Son of God.

And, behold, thy cousin Elisabeth, she hath also conceived a son in her old age: and this is the sixth month with her, who was called barren.

For with God nothing shall be impossible.

And Mary said, Behold the handmaid of the Lord; be it unto me according to thy word. And the angel departed from her.

And Mary arose in those days, and went into the hill country with haste, into a city of Juda;