This is what the LORD says: “For three transgressions of the Ammonites, even four, I will not revoke My judgment, because they ripped open the pregnant women of Gilead in order to enlarge their territory.
Jewish Publication Society of America Version (JPS1917) - Amos 1:13 >Thus saith the LORD: For three transgressions of the children of Ammon, yea, for four, I will not reverse it: because they have ripped up the women with child of Gilead, that they might enlarge their border.