Year        Number of fetal deaths Number of perinatal deaths Number of infant deaths Number of twin live births Total number of twin fetal deaths Males  Females  Total Males  Females  Total Males  Females  Total 1995-1996 71 50 134 67 59 132 29 25 54 40057 3162 1997-1998 79 76 171 73 69 145 27 22 49 41791 2908 1999-2000 104 103 225 80  112 197 27 45 72 44236 3157 2001-2002 95 71 188 74 65 142 26 22 48 46053 3029 2003-2004 99 86 197 76 81    160 28 30 58 48283 2970 2005-2006 80 61 169 51 50 115 19 22 41 47324 2829 2007-2008 68 59 150 46 40 97 16 14 30 45301 2460 Total 596 506 1234 467 476 988 172 180 352 313045 20515   Fetal death rate1 Perinatal mortality rate2 Infant mortality rate3 Number of twin fetal deaths after 22 weeks of gestation Males  Females    Total Males Females Total Males Females Total 1995-1996 32.8 24.0 31.0 32.6 28.9 32.1 14.5 12.5 13.5 1055 1997-1998 35.1 35.4 38.3 33.8 32.8 33.9 12.8 10.7 11.7 944 1999-2000 43.3 44.8 47.5 35.2 50.2* 43.6 12.1 20.5* 16.3 903 2001-2002 38.6 30.1 38.3 31.4 28.1 30.3 11.2 9.6 10.4 778 2003-2004 38.4 35.0 38.4 30.7 33.6 32.6 14.6 12.6 12.0 731 2005-2006 31.3 25.0 33.7 21.0 21.2 24.0 7.9 9.4 8.7 673 2007-2008 28.6 25.4 31.4 20.0 17.5 21.1 7.1 6.2 6.6 623 Total 35.5 31.4* 37.0 29.1 30.2 31.0 10.9 11.6 11.2 5707 Note: 1Per 10000 total births, 2Per 10000 live births and fetal deaths after 22 weeks of gestation, 3Per 10000 live births, *comparison of males vs. females (P<0.05)

Table 1: Number of fetal, perinatal and infant deaths attributed to TTTS and fetal death rate, perinatal and infant mortality rates by sex, and the number of twin births, 1995-2008.

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