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Extracted from Survival Guide to Midwifery, 2nd Edition (2012) Diane M. Fraser and Margaret A. Cooper, Oxford; Churchill Livingstone: 2012. Courtesy Elsevier
Labour is obstructed when there is no advance of the presenting part despite strong uterine contractions. The obstruction usually occurs at the pelvic brim but may occur at the outlet.
If obstructed labour is recognised in the first stage of labour, delivery should be by caesarean section.
World Health Organization, Managing prolonged and obstructed labour. Midwifery education module 3. http://www.who.int/maternal_child_adolescent/documents/3_9241546662/en/
Royal College of Obstetricians & Gynaecologists (2012). Shoulder dystocia (Green-top guideline No 42). https://www.rcog.org.uk/en/guidelines-research-services/guidelines/gtg42/