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Optimal cutoff values, sensitivities and specificities of best screening programs for FGR in early, mid- as well as early and mid-pregnancies.
| Best screening program | Cutoff | Sensitivity | Specificity |
|---|---|---|---|
| Early pregnancy (parity + BPD1) | 0.027 | 44.6% | 78.2% |
| Mid-pregnancy (BMI2 + AC2 + UTA-PI2 + UTA-RI2 + UA-PI2 + UA-RI2) | 0.019 | 73.8% | 69.8% |
| Combined screening in early and mid-pregnancy (BPD1 + BMI2 + AC2 + UTA-PI2 + UTA-RI2 + UA-PI2 + UA-RI2) | 0.015 | 83.1% | 61.3% |
