Clinical Study
Singleton Pregnancy Outcomes after In Vitro Fertilization with Fresh or Frozen-Thawed Embryo Transfer and Incidence of Placenta Praevia
Table 2
Comparison of birth characteristics and neonate outcome following frozen-thawed and fresh ET.
| | | Frozen-thawed ET
| Fresh ET
| value |
| | Birth weight (g ± SD) | 3354.9 ± 626.3 | 3200.1 ± 632.7 |
*0.001 | | Mean gestation age (weeks ± SD) | 38.6 ± 2.59 | 38.5 ± 2.51 | 0.558 | | Preterm birth** (%) | 9.0 | 12.1 | 0.232 | | Foetal distress (%) | 3.3 | 3.7 | 1.000 | | Caesarean section (%) | 25.1 | 25.8 | 0.930 | | Admittance to neonatal intensive care unit (%) | 5.7 | 7.4 | 0.458 | | Low (0–6) 5-minute Apgar score (%) | 1.4 | 1.6 | 1.000 | | Congenital malformation (%) | 6.2 | 7.4 | 0.657 | | Chromosomal malformation (%) | 0 | 0.1 | 1.000 |
|
|
Statistically significant , as revealed by -test. **Preterm birth—birth before 37 weeks of gestation.
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