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
All are done in 3rd stage of labour except: March 2010 
Select and explain. 
A. Injection of ergometrine, B. Cord clamping, C. Massage of uterus, D. Injection of oxytocin
B: Cord clamping
Answer: B: Cord clamping 
Explanation: Ans. B: Cord Clamping Cord clamping is done in second pa of labour. The underlying principle in active management of the third stage is to excite powerful contractions following bih of the anterior shoulder by parenteral oxytocin/ ergometrine/uterine massage which facilitates not only early separation of the placenta but produces effective uterine contractions following its separation.