| Table II. Chromosomal analysis in spontaneous abortions. RLA, 1990-2009. | |||
| Type of Treatment (IVF/ICSI) | Nº Abortions | Abortions with chromosomal analysis | Abortions with chromosomal abnormalities |
|---|---|---|---|
| Fresh embryo transfer | 10022 | 660 (6,6 %) | 253 (38,3 %) |
| Frozen embryo transfer | 1416 | 78 (5,5 %) | 25 (32,1 %) |
| Assisted Hatching | 1310 | 100 (7,6 %) | 41 (41,0 %) |
| Oocyte donation | 2550 | 83 (3,2 %) | 10 (12,0 %) |
| TOTAL | 15298 | 921 (6,0 %) | 329 (35,7 %) |