This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
If division of fertilized egg occurs at 4-8th day what kind of monozygotic twin pregnancy will it give rise to- 
Select and explain. 
A. Diamniotic dichorionic, B. Diamniotic monochorionic, C. Monoamnionic monochorionic, D. Conjoined twins
B: Diamniotic monochorionic
Answer: B: Diamniotic monochorionic 
Explanation: Ans-B