1. Rath WH. Postpartum hemorrhage--update on problems of definitions and diagnosis. Acta Obstet Gynecol Scand. 2011 May;90:421–8.
2. Mavrides E, Allard S, Chandraharan E, Collins P, Green L, Hunt BJ, Riris S, Thomson AJ on behalf of the Royal College of Obstetricians and Gynaecologists. Prevention and management of postpartum haemorrhage. BJOG. 2016;124:e106–49.
3. Cunningham FG, Gant NF, Leveno KJ, et al., editors. Conduct of Normal labour and delivery. Williams obstetrics. 21st ed. New York: McGraw Hill Medical; 2001. p. 320–5.
4. Begley CM, Gyte GM, Devane D, McGuire W, Weeks A. Active versus expectant management for women in the third stage of labour. Cochrane Database Syst Rev. 2015;2(2):CD007412.
5. World Health Organization (WHO). WHO recommendations for the prevention and treatment of postpartum haemorrhage. Geneva: WHO; 2012.