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Table 1.
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Table 2.
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Table 3.
Fig. 1: Transvaginal ultrasound image, showing intrauterine fluid collection without yolk sac or fetal pole: “pseudogestational sac” (arrow).
Fig. 2: Transvaginal ultrasound image, showing early intrauterine gestational sac (GS) with yolk sac (YS).
Fig. 3: Transvaginal ultrasound image, showing empty uterus and complex adnexal mass (ectopic pregnancy [EP]) separate from ovary.
Fig. 4: Recommended approach to investigating first-trimester pain or bleeding in the hemodynamically stable patient in the emergency department (ED). β-hCG = β human chorionic gonadotropin, US = ultrasonography, IUP = intrauterine pregnancy, EP = ectopic pregnancy.
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Table 4.