Extra-uterine pregnancy

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(Med.) a condition of pregnancy in which the fetus is not in the uterus, but in the Fallopian tube or in the abdominal cavity.

See also: Extra-uterine

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Trophoblastic tissue secretes beta-hCG and the differential diagnosis for an elevated serum HCG concentration includes intra-uterine and extra-uterine pregnancy, gestational trophoblastic neoplasia, and ovarian germ cell tumors.
The diagnosis of advanced extra-uterine pregnancy is easily missed at routine ultrasound scanning, as occurred in 3 of our 5 cases.
There is a slightly increased risk of extra-uterine pregnancy in women with damaged fallopian tubes.