Table 8. Perinatal mortality according to gestational order in 2012
  Singleton Twin ≥Triplets
  LB SB ND LB SB ND LB SB ND
IVF/ICSI 4947 102 20 2571 68 29 213 11 12
FET 1,473 34 7 715 20 13 67 4 2
OD 1,460 35 7 1124 52 22 146 2 5
FET (OD) 451 6 4 282 10 4 18 3 0
Total 8,331 177 38 4,692 150 68 444 20 19
Perinatal
mortality per
1000
25.2 44.4 80.7

LB= live borns; SB= still borns; ND= neonatal death