1. Clinical management guidelines for obstetrician-gynecologists: postpartum hemorrhage. ACOG Practice bulletin no. 76;Obstet Gynecol,2006
2. WHO recommendations for the prevention and treatment of postpartum haemorrhage,2012
3. Royal Australian and New Zealand College of Obstetricians and Gynaecologists. Management of postpartum hemorrhage. March 2011. Available at: http://www.ranzcog.edu.au/college-statements-guidelines.html. Accessed Nov. 1, 2013.
4. Active management of the third stage of labour: prevention and treatment of postpartum hemorrhage;Leduc;J Obstet Gynaecol Can,2009
5. Royal College of Obstetrician and Gynaecologists. Postpartum hemorrhage: prevention and management. April 2011. Available at: http://www.rcog.org.uk/womens-health/clinical-guidance/prevention-and-management-postpartum-haemorrhage-green-top-52. Accessed Nov. 1, 2013.