1. Guideline: Delayed Umbilical Cord Clamping for Improved Maternal and Infant Health and Nutrition Outcomes [Internet],2014
2. Delayed umbilical cord clamping after birth. ACOG committee opinion No. 814 American College of Obstetricians and Gynecologists. Obstet Gynecol. 2020;136:e100–106.
3. American College of Nurse Midwives. Delayed umbilical cord clamping. Position statement. In: Proceedings of the Silver Spring (MD) Source: Division of Standards and Practice Clinical Documents Section. Approved by the ACNM Board of Directors; 2014; Updated: July 2021. www.midwife.org.
4. Royal College of Obstetricians and Gynaecologists. Clamping of the umbilical cord and placental transfusion. In: Proceedings of the Scientific Impact Paper No. 14, London: RCOG; 2015.
5. Active versus expectant management for women in the third stage of labour;Begley;Cochrane Database Syst Rev,2019