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Duration of shoulder dystocia by number of maneuvers utilized.
| N (%) | Median duration (seconds) | Interquartile range (seconds) | |
|---|---|---|---|
| McRoberts and/or Suprapubic only | 135 (58.4) | 29 | 29-30 |
| +1 additional maneuver | 43 (18.6) | 60 | 29-60 |
| +2 additional maneuvers | 30 (13.0) | 60 | 42.5-80 |
| +3 additional maneuvers | 23 (10.0) | 90 | 60-157.5 |
p <0.01
