image/svg+xml Pregnancy of unknown location (PUL) Hemodynamically stable Hemodynamically unstable No pain Pain Serum hCG Consider laparoscopy Serum hCG at 0 and 48 hours Laparoscopy or laparotomy >13% decrease >66% increase <66% increase <13% decrease Failed PUL Normal intrauterine pregnancy Probable ectopic pregnancy Failing PUL or possible ectopic pregnancy Urine pregnancy test in 2 weeks. Repeat serum hCG if positive. Repeat transvaginal ultrasonography after 7 days. Repeat transvaginal ultrasonography after 7 days or when hCG is expected to exceed 1000 IU/L. Repeat serum hCG after 7 days.
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