Luke 1:57

Now Elizabeth'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: has he said, and shall he not do it? or has he spoken, and shall he not make it good?

Luke 1:13

But the angel said unto him, Fear not, Zachariah: for your prayer is heard; and your wife Elizabeth shall bear you a son, and you shall 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.

Treasury of Scripture Knowledge

Summary

Now Elisabeth's full time came that she should be delivered; and she brought forth a son.

Bible References

General references

Luke 1:13
But the angel said unto him, Fear not, Zachariah: for your prayer is heard; and your wife Elizabeth shall bear you a son, and you shall call his name John.
Luke 2:6
And so it was, that, while they were there, the days were accomplished that she should be delivered.
Genesis 21:2
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: has he said, and shall he not do it? or has he spoken, and shall he not make it good?