title: A false positive diagnosis of conjoined twins in a triplet pregnancy: pitfalls of first trimester ultrasonographic prenatal diagnosis.
authors.forename: I M
authors.initials: IM
authors.lastname: Usta
authors.forename: J T
authors.initials: JT
authors.lastname: Awwad
mesh_terms: D005189:False Positive Reactions; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D014310:Triplets; D014428:Twins, Conjoined; D016216:Ultrasonography, Prenatal