Genesis 18:10-12

10Then He said, “I will most surely return to you in about a year’s time, surprisingly, Sarah your wife will have a son.” Sarah was listening at the entrance of the tent, which was behind Him.

11Now Abraham and Sarah were old, advanced in years—Sarah had stopped having the way of women.

12So Sarah laughed to herself, saying, “After I’ve grown decrepit, can I have desire—and my lord so old?”