Table 4 The comparisons of clinical characteristics between IVF and ICSI groups stratified by age
From: Chromosomal analysis of 262 miscarried conceptuses: a retrospective study
Maternal age | < 35 | ≥ 35 | |||||
|---|---|---|---|---|---|---|---|
IVF | ICSI | P | IVF | ICSI | P | ||
History of pregnancy loss | Sporadic | 57(70.4%) | 25(80.6%) | 0.272 | 22(64.7%) | 3(37.5%) | 0.312 |
Recurrent | 24(29.6%) | 6(19.4%) | 12(35.3%) | 5(62.5%) | |||
Gestational age (weeks) | < 12 | 74(92.5%) | 31(100%) | 0.271 | 33(97.1%) | 8(100%) | 1 |
≥ 12 | 6(7.5%) | 0 | 1(2.9%) | 0 | |||
Abnormality of chromosomes | Yes | 36(44.4%) | 14(45.2%) | 0.946 | 21(61.8%) | 5(62.5%) | 1 |
No | 45(55.6%) | 17(54.8%) | 13(38.2%) | 3(37.5%) | |||
Type of chromosomal abnormality | No | 45(55.6%) | 17(54.8%) | 0.976 | 13(38.2%) | 3(37.5%) | 0.639 |
Structural | 14(17.3%) | 5(16.1%) | 2(5.9%) | 0 | |||
Numerical | 22(27.2%) | 9(29%) | 19(55.9%) | 5(62.5%) | |||
Type of structural abnormality | Del | 5(35.7%) | 4(80%) | 0.034 | 0 | 0 | |
Dup | 8(57.1%) | 0 | 2 | 0 | |||
Del and Dup | 1(7.1%) | 1(20%) | 0 | 0 | |||