Actually the Holy Spirit ejaculated all over her at least once, but it doesn't specify if the conception was separate or whether God got in on it (though technically God is all three, so he was doing the fucking, the watching, and the being born simultaneously.)

34 And Mary said to the angel, “How will this happen, since I am not knowing a man?” 35 And having responded, the angel said to her, “The Holy Spirit will come upon you, and the power of the Most-High will overshadow you. For this reason also the Holy Child being born will be called God’s Son."