Luke 1:7

And they had no child, because Elizabeth was barren, and both of them were far advanced in years.

Hebrews 11:11

By faith Sarah received strength to become pregnant, and actually gave birth to a child, although she was past the time of life for it, because she thought that He who made her the promise was to be trusted.

Romans 4:19

Because he never weakened in faith, he calmly contemplated his own vital powers as worn out (for he was about one hundred years old) and the inability of Sarah to bear a child,

Treasury of Scripture Knowledge

Summary

And they had no child, because that Elisabeth was barren, and they both were now well stricken in years.

Bible References

Well

Romans 4:19
Because he never weakened in faith, he calmly contemplated his own vital powers as worn out (for he was about one hundred years old) and the inability of Sarah to bear a child,
Hebrews 11:11
By faith Sarah received strength to become pregnant, and actually gave birth to a child, although she was past the time of life for it, because she thought that He who made her the promise was to be trusted.