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Table 3 Analysis of neonatal outcome

From: Effect of different artificial shrinkage methods, when applied before blastocyst vitrification, on perinatal outcomes

  Micro-needle AS Laser pulse AS P
Live birth cycles 336 408  
Number of babies 339 417  
Mean gestational age (weeks) 38.83 ± 1.57 38.74 ± 1.75 0.479
Premature birth rate (%, n) 0.30 (1/336) 0.49 (2/408) 1.000
Very premature birth rate (%) 0 0  
Mean birth weight (g) 3217.89 ± 489.98 3150.88 ± 524.03 0.072
Low weight rate (%, n) 5.60 (19/339) 8.63 (36/417) 0.111
Very low weight rate (%, n) 0.29 (1/339) 0.72 (3/417) 0.767
Malformation rate (%, n) 0.59 (2/339) 0.48 (2/417) 1.000