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特許 係属中 Ectopic pregnancy, also known as eccyesis or tubal pregnancy, is a complication of pregnancy in which the embryo attaches outside the uterus.[1] Signs and symptoms classically include abdominal pain and vaginal bleeding. Less than 50% of women however have both these symptoms. The pain may be described as sharp, dull, or crampy. Pain may also spread to the shoulder if bleeding into the abdomen has occurred.
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