What does Jeremiah 48:41 mean?

The towns are going to be captured, and the strongholds taken. On that day, Moab’s bravest men will be as helpless as a woman in labor. Jeremiah 48:41 - Modern Text Bible

(This verse describes Moab’s defenses falling and even its strongest warriors feeling powerless and terrified, using the image of a woman in labor to show their vulnerability.)