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79 Maternity and Obstetrics Table 1: Spontaneous/Induced Caesarean Section Reason 756/7263 (10.4%) Fetal reason (no oxytocin) % of Group IUA - Inability to treat fetal intolerance % of Group IUA - Inability to treat over contracting % of Group IUA - Poor response % of Group IUA - No oxytocin given % of Group EUA - Persistent malposition % of Group EUA - Cephalopelvic disproportion % of Group Total Group 1 1283 22 1.7% 43 3.4% 2 0.2% 23 1.8% 5 0.4% 9 0.7% 9 0.7% 113 Group 2 1531 75 4.9% 157 10.3% 6 0.4% 149 9.7% 21 1.4% 30 2.0% 11 0.7% 449 Group 2a 1334 75 5.6% 157 11.8% 6 0.4% 149 11.2% 21 1.6% 30 2.2% 11 0.8% 449 Group 2b 197 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 Group 3 1567 9 0.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 1 0.1% 1 0.1% 11 Group 4 1112 8 0.7% 15 1.3% 0 0.0% 14 1.3% 5 0.4% 5 0.4% 3 0.3% 50 Group 4a 985 8 0.8% 15 1.5% 0 0.0% 14 1.4% 5 0.5% 5 0.5% 3 0.3% 50 Group 4b 127 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 Group 5 979 34 3.5% 2 0.2% 0 0.0% 9 0.9% 20 2.0% 2 0.2% 3 0.3% 70 Group 6 152 8 5.3% 0 0.0% 0 0.0% 0 0.0% 1 0.7% 1 0.7% 0 0.0% 10 Group 7 133 5 3.8% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 5 Group 8 136 13 9.6% 0 0.0% 1 0.7% 6 4.4% 0 0.0% 0 0.0% 0 0.0% 20 Group 9 45 3 6.7% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 3 Group 10 325 10 3.1% 7 2.2% 0 0.0% 5 1.5% 3 0.9% 0 0.0% 0 0.0% 25 Total (10.4%) 7263 187 2.6% 224 3.1% 9 0.1% 206 2.8% 55 0.8% 48 0.7% 27 0.4% 756 Indications for Caesarean Section by Pathway to Delivery Tables 1 and 2 show the indications for Caesarean Section (CS) within the Ten Groups Classification of Caesarean Section. A different classification is used for pre labour CS and those carried out after either spontaneous or induced labour. A great deal of effort is needed to ensure that the classification is correctly applied and the data validated and quality controlled. In these tables although the quality is good there remain discrepancies which we continue to seek to improve. The classification used for indications is one that the hospital has developed and used for 15 years and is now being used internationally. NMH Annual Rep t | 2020