Group A (≤8) | Group B (9–14) | Group C (≥15) | P-value | ||
---|---|---|---|---|---|
Double gestational sac | 72.73%(32/44) | 87.28%(1263/1447) | 87.36%(318/364) | 0.018 | |
2 → 2 | 50.00%(22/44) | 69.79%(1010/1447) | 71.42%(260/364) | 0.014 | |
2 → 1 | 22.72%(10/44) | 17.00%(247/1447) | 13.70%(50/364) | 0.246 | |
Single gestational sac | 75.00%(102/136) | 78.50%(2148/2736) | 82.09%(509/620) | 0.071 |