The first-trimester ultrasonographic diagnosis of conjoined twins.
The prenatal ultrasonographic diagnosis of conjoined twins in the first trimester is described. The ultrasonographic criteria are discussed together with implications for management.
D000028:Abortion, Induced; D000328:Adult; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis; D014428:Twins, Conjoined / Q000175:diagnosis*; D014463:Ultrasonography