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Relationship between categories of umbilical cord insertion in the first trimester and progression to furcate cord insertion
| Categories of cord insertion | Progression to furcate cord insertion (n = 14) | No progression to furcate cord insertion (n = 3164) | P-value |
|---|---|---|---|
| Normal cord insertion | 0 | 2710 (85.65) | < 0.0001 |
| Marginal cord insertion | 14 (100) | 385 (12.17) | < 0.0001 |
| Velamentous cord insertion | 0 | 63 (1.99) | 1.000 |
| Furcate cord insertion | 0 | 6 | 1.000 |
