1.
不同分娩方式出生的新生儿产伤发生率
| 分娩方式分组 | 总例数 | 产伤例数 | 产伤发生率(%) |
| 剖宫产 | 1 316 | 11 | 0.84 |
| 经阴道分娩 | 3 366 | 190 | 5.64 |
| 产钳助产 | 332 | 60 | 18.07 |
| 未用产钳 | 3 034 | 130 | 4.28 |
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