Variables | Findings | |

Maternal age (years) | ≤20, n (%) | 1 (2.7%) |

21 - 25, n (%) | 8 (21.6%) | |

26 - 30, n (%) | 16 (43.3%) | |

31 - 35, n (%) | 7 (18.9%) | |

>35, n (%) | 5 (13.5%) | |

Mean (±SD) | 28.5 ± 6.4 | |

Body mass index (kg/m | <25, n (%) | 3 (8.2%) |

25 - 30, n (%) | 18 (48.6%) | |

>30, n (%) | 16 (43.2%) | |

Mean (±SD) | 29.6 ± 5.5 | |

Gravidity | G1, n (%) | 15 (40.5%) |

G2, n (%) | 12 (32.5%) | |

G3, n (%) | 10 (27%) | |

Parity | Nullipara, n (%) | 21 (56.8%) |

Para-1, n (%) | 11 (29.7%) | |

Para-2, n (%) | 5 (13.5%) | |

Gestational age at inclusion (weeks) | 24, n (%) | 7 (18.9%) |

>24 - 28, n (%) | 27 (73%) | |

>28, n (%) | 3 (8.1%) | |

Mean (±SD) | 26.1 ± 4.6 |