34 Mary asked the angel, “How can this be, since I have not had sexual relations with a man? ”
35 The angel replied to her, “The Holy Spirit will come upon you, and the power of the Most High will overshadow you. Therefore, the holy one to be born will be called the Son of God. 36 And consider your relative Elizabeth — even she has conceived a son in her old age, and this is the sixth month for her who was called childless. 37 For nothing will be impossible with God.”
38 “See, I am the Lord’s servant,” said Mary. “May it happen to me as you have said.” Then the angel left her. -- Luke 1:34-38 (CSB)