Table 2 : Live births (LB) with prenatal diagnosis of a non-chromosomal congenital anomaly by time period
and severity and gestational age (GA) when diagnosed (Funen County, 1980-2009).


  1980-89 1990-99 2000-04 2005-09

Number of LB diagnosed prenatally with a lethal
congenital anomaly
3 7 2 1
Median GA at prenatal diagnosis (range) -- 25 (18-42) 25 (19-31) 29
Number of LB diagnosed prenatally with a severe
congenital anomaly
11 44 39 35
Median GA at prenatal diagnosis (range) -- 30 (17-41) 30 (12-40) 20 (12-37)
Number of LB diagnosed prenatally with a less severe
congenital anomaly
4 28 36 81
Median GA at prenatal diagnosis (range) -- 33 (17-42) 24 (16-39) 20 (12-37)
Total LB with a prenatal non-chromosomal diagnosis 18 79 77 117
GA <15 weeks at prenatal diagnosis n (%) -- 0 1 (1%) 2 (2%)
GA 15-21 weeks at prenatal diagnosis n (%) 1 22 (28%) 25 (32%) 64 (55%)
GA 22-36 weeks at prenataldiagnosis n (%) 1 37 (47%) 41 (53%) 47 (40%)
GA ≥37 weeks at prenatal diagnosis n (%) -- 18 (23%) 10 (13%) 3 (3%)
Unknown GA at prenatal diagnosis 16 2 (3%) 0 1 (1%)
Median GA at prenatal diagnosis  -- 30 27 20

Honore et al.Journal of Reproductive Biology and Health  2014 2:1DOI : 10.7243/2054-0841-2-1