Year of birth | ||||||
---|---|---|---|---|---|---|
2005–2006 | 2007–2012 | Total | ||||
Trisomy 21 | N = 81 | N = 250 | N = 331 | |||
First prenatal test* | ||||||
PNS1 | 28 | 35% | 93 | 37% | 121 | 37% |
PNS2 | 2 | 2% | 82 | 33% | 84 | 25% |
PND | 11 | 14% | 16 | 6% | 27 | 27% |
No PNS or PND | 40 | 49% | 59 | 24% | 99 | 30% |
Time of diagnosis | ||||||
Postnatal | 44 | 54% | 134 | 54% | 178 | 54% |
Prenatal < 24 weeks | 35 | 43% | 107 | 43% | 142 | 43% |
Prenatal > = 24 weeks | 2 | 2% | 9 | 4% | 11 | 3% |
Pregnancy outcome | ||||||
Live birth | 46 | 57% | 139 | 56% | 185 | 56% |
Fetal death | 2 | 2% | 20 | 8% | 22 | 7% |
TOP | 33 | 41% | 91 | 36% | 124 | 37% |
Trisomy 13 and 18 | N = 47 | N = 125 | N = 172 | |||
First prenatal test* | ||||||
PNS1 | 19 | 40% | 66 | 53% | 85 | 49% |
PNS2 | 2 | 4% | 27 | 22% | 29 | 17% |
PND | 18 | 38% | 21 | 17% | 39 | 23% |
No PNS or PND | 8 | 17% | 11 | 9% | 19 | 11% |
Time of diagnosis* | ||||||
Postnatal | 8 | 17% | 16 | 13% | 24 | 14% |
Prenatal < 24 weeks | 29 | 62% | 105 | 84% | 134 | 78% |
Prenatal > = 24 weeks | 10 | 21% | 4 | 3% | 14 | 8% |
Pregnancy outcome | ||||||
Live birth | 9 | 19% | 16 | 13% | 25 | 15% |
Fetal death | 12 | 26% | 19 | 15% | 31 | 18% |
TOP | 26 | 55% | 90 | 72% | 116 | 67% |