Luke 1:57
Now Elisabeth's full time came that she should be delivered; and she brought forth a son.
Genesis 21:2-3
For Sarah conceived and bore Abraham a son in his old age, at the set time of which God had spoken to him.
Numbers 23:19
God is not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do it? or hath he spoke, and shall he not make it good?
Luke 1:13
But the angel said to him, Fear not, Zacharias: for thy prayer is heard; and thy wife Elisabeth shall bear thee a son, and thou shalt call his name John.
Luke 2:6-7
And so it was, that while they were there, the days were accomplished that she should be delivered.