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The risk of pregnancy in the 12 months after presenting for EC based on the method of EC received (women who desired an IUD and were unable to have it inserted received oral LNG for EC and were analyzed in the oral LNG group) shows fewer pregnancies in the IUD group by Kaplan Meier curves HR 0.42 (95% CI: 0.20–0.85, X2 =5.73, p= 0.017).
