title: [Unilateral ectopic twin pregnancy].
abstract: A case of a 12 week unilateral ectopic twin pregnancy is presented. The condition is rare with less than one hundred reported cases. Only three reported cases of unilateral ectopic twin pregnancy have been diagnosed sonographically. In this case the diagnosis of ectopic pregnancy was made by ultrasound, but, despite the length of the pregnancy only one fetus was seen.
authors.affiliation: Gynaekologisk og obstetrisk afdeling G, Amtssygehuset i Glostrup.
authors.forename: A C
authors.initials: AC
authors.lastname: Halvorsen
authors.forename: N S
authors.initials: NS
authors.lastname: Colov
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000000981:diagnostic imaging*; D011272:Pregnancy, Multiple; D014427:Twins; D016216:Ultrasonography, Prenatal
vernacular_title: Unilateral ektopisk tvillingegraviditet.