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: Pharmacology
Ergometrine is commonly used for : 
Select and explain. 
A. PostPartum Hemorrhage, B. To shorten  2nd stage of labour, C. Dysmenorrhea, D. Toxemia of pregnancy
A: PostPartum Hemorrhage
Answer: A: PostPartum Hemorrhage 
Explanation: Obstetric indications of ergometrine (Ergonovine):

To control and prevent Postpartum hemorrhage. It is given at the time of delivery of the anterior shoulder.
After Caesarean Section/instrumental delivery - to prevent uterine atony.
To ensure normal involution in multipara.