title: Sonographic findings in the prenatal diagnosis of cephalothoracopagus syncephalus. A case report.
abstract: The ultrasonic intrauterine diagnosis of cephalothoracopagus, a form of conjoined twinning, can be made when a monochorionic monoamniotic gestation contains a single head and torso accompanied by eight limbs. This is the second reported case of the syncephalus variety of cephalothoracopagus twins associated with clomiphene citrate use; however, the association is believed to be coincidental rather than causative.
mesh_terms: D000328:Adult; D002996:Clomiphene / Q000494:pharmacology; D005260:Female; D005298:Fertility / Q000187:drug effects; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014428:Twins, Conjoined / Q000175:diagnosis*; D014463:Ultrasonography
chemical_list: D002996:Clomiphene