Berean Study Bible (BSB) - 1 Thessalonians 5:3 >

While people are saying, “Peace and security,” destruction will come upon them suddenly, like labor pains on a pregnant woman, and they will not escape.

Textus Receptus (TR) - 1 Thessalonians 5:3 >

ὅταν γὰρ λέγωσιν, Εἰρήνη καὶ ἀσφάλεια, τότε αἰφνίδιος αὐτοῖς ἐφίσταται ὄλεθρος, ὥσπερ ἡ ὠδὶν τῇ ἐν γαστρὶ ἐχούσῃ, καὶ οὐ μὴ ἐκφύγωσιν.