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Delivery method before and after the implementation of the two-child policy, n (%)
| Delivery method | Study group (n = 5895 cases) | Control group (n = 5013 cases) | χ2 | P |
|---|---|---|---|---|
| Vaginal delivery | 3357 (57.0) | 2767 (54.2) | 8.05 | 0.01 |
| Forceps delivery | 62 (1.0) | 79 (1.6) | 5.33 | 0.22 |
| Cesarean section | 2476 (42.0) | 2257 (44.2) | 5.54 | 0.02 |
