This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2019, Subject name: Gynaecology & Obstetrics
Which trophoblast takes pa in invasion of aeriole during secondary placentation? 1. Syncytiotrophoblast 2. Interstitial Extra Villous trophoblast 3. Endovascular extra Villous trophoblast 
Select and explain. 
A. 1, B. 1&2, C. 2&3, D. 3
D: 3
Answer: D: 3 
Explanation: None