This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New Born Infants, Subject name: Pediatrics
Most common type of phagus in twins? 
Select and explain. 
A. Craniophagus, B. Pygophagus, C. Thorachophagus, D. Ischiophagus
C: Thorachophagus
Answer: C: Thorachophagus 
Explanation: c. Thorachophagus(Ref: Nelson's 20/e p 820)Conjoined twins (Also called Siamese twins)Result from relatively late monovular separation; Types depending on the site of connections are: thoraco-omphalopagus (28% of conjoined twins), thoracopagus (18%), omphalopagus (10%), craniopagus (6%) & incomplete duplication (10%)