[Early antepartum diagnosis of conjoined thoracopagus twins].
D000328:Adult; D005260:Female; D005318:Fetal Heart / Q000002:abnormalities; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis; D013909:Thorax / Q000002:abnormalities; D014428:Twins, Conjoined / Q000175:diagnosis*; D014463:Ultrasonography