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Sonographically, an ectopic pregnancy may be obvious, offering evidence of an extrauterine gestational sac that contains a fetus and yolk sac.
¡ Other sonographic findings include the adnexal ring sign, an adnexal mass, a large amount of free fluid within the pelvis and in Morison’s pouch (with complex free fluid representing hemoperitoneum), a pseudogestational sac, and a poorly decidualized endometrium.
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