From: Chromosomal analysis of 262 miscarried conceptuses: a retrospective study
Maternal age | < 35 | ≥ 35 | |||||
---|---|---|---|---|---|---|---|
SP | ART | P | SP | ART | P | ||
History of pregnancy loss | Sporadic | 35(47.3%) | 84(71.8%) | 0.001 | 13(61.9%) | 27(54%) | 0.54 |
Recurrent | 39(52.7%) | 33(28.2%) | 8(38.1%) | 23(46%) | |||
Gestational age (weeks) | < 12 | 67(91.8%) | 109(94%) | 0.563 | 21(100%) | 47(94%) | 0.55 |
≥ 12 | 6(8.2%) | 7(6%) | 0 | 3(6%) | |||
Abnormality of chromosomes | Yes | 41(55.4%) | 53(45.3%) | 0.174 | 14(66.7%) | 30(60%) | 0.597 |
No | 33(44.6%) | 64(54.7%) | 7(33.3%) | 20(40%) | |||
Type of chromosomal abnormality | No | 33(44.6%) | 64(54.7%) | 0.003 | 7(33.3%) | 20(40%) | 0.395 |
Structural | 4(5.4%) | 20(17.1%) | 0 | 2(4%) | |||
Numerical | 37(50%) | 33(28.2%) | 14(66.7%) | 28(56%) | |||
Type of structural abnormality | Del | 2(50%) | 10(50%) | 0.072 | 0 | 0 | |
Dup | 0 | 8(40%) | 0 | 2 | |||
Del and Dup | 2(50%) | 2(10%) | 0 | 0 |