title: Sonographic findings in abdominal pregnancy.
abstract: The sonographic findings in four cases of abdominal pregnancy are described and compared with similar cases reported in the literature. The findings include demonstration of an empty uterus adjacent to the bladder, absence of myometrium around the fetus, unusual fetal lie, poor definition of the placenta, and relative oligohydramnios.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D011247:Pregnancy; D011269:Pregnancy, Abdominal / Q000000981:diagnostic imaging*; D016216:Ultrasonography, Prenatal