**Table 2:** Median Multiples of the Median (MoM) for free β-hCG, PAPP-A, CRL and NT in pregnancies with SGA infants and normal group.

Fetal weight (percentile) | Median | SD | P value | |
---|---|---|---|---|

free β-hCG (MoM) | > 10^{th} |
1.26 | 0.86 | < 0.001 |

< 10^{th} |
1.13 | 0.82 | ||

PAPP-A (MoM) | > 10^{th} |
1.12 | 0.81 | 0. 001 |

< 10^{th} |
0.92 | 0.72 | ||

CRL (percentile) | > 10^{th} |
58.74 | 21.45 | < 0.001 |

< 10^{th} |
54.12 | 21.76 | ||

NT (percentile) | > 10^{th} |
92.71 | 17.63 | 0.682 |

> 10^{th} |
92.51 | 17.61 |