John 16:21

A woman when she is in travail hath sorrow, because her hour is come; but as soon as she is delivered of the child, she remembereth no more the anguish, through joy that a man is born into the world.

1 Thessalonians 5:3

When they are saying, Peace and safety; then doth sudden destruction come upon them, as travail upon a woman with child; and they shall not escape.

Treasury of Scripture Knowledge

Summary

And they shall be afraid: pangs and sorrows shall take hold of them; they shall be in pain as a woman that travaileth: they shall be amazed one at another; their faces shall be as flames.

Bible References

Pangs

1 Thessalonians 5:3
When they are saying, Peace and safety; then doth sudden destruction come upon them, as travail upon a woman with child; and they shall not escape.