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: Gynaecology & Obstetrics
Copper -- T is preferably inseed postnatal after : 
Select and explain. 
A. 2 weeks, B. 4 weeks, C. 5 weeks, D. 8 weeks
D: 8 weeks
Answer: D: 8 weeks 
Explanation: 8 weeks