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Table 3 Congenial malformation between the groups

From: Fresh versus frozen embryo transfer for full-term singleton birth: a retrospective cohort study

  Fresh ET(N = 2059) FET (N = 2053) χ2 P
Neonatal malformation 25 (1.2) 18 (0.9) 1.131 0.288
 Trisomy 13/18/21 8 (0.4) 6 (0.3) 0.281 0.596
 Congenital heart disease 7 (0.3) 3 (0.15) 1.592 0.207
 Polydactyly/syndactyly 5 (0.2) 3 (0.15) 0.495 0.482
 Others 5 (0.2) 6 (0.3) 0.094 0.759