Table 1.
Characteristics of IVF treatment cycles of patients conceiving after FET and fresh ET
| FET No. (%) |
Fresh ET No. (%) |
p value | |
|---|---|---|---|
| No. of patients | 211 | 916 | |
| Infertility cause | |||
| Tubal | 52 (24.6) | 253 (27.7) | 0.511 |
| Endometriosis | 43 (20.3) | 187 (20.4) | 0.982 |
| Endocrine | 44 (20.9) | 198 (21.6) | 0.931 |
| Male | 39 (18.5) | 166(18.1) | 0.277 |
| Othersb | 33 (15.6) | 111 (12.1) | |
| No. of IVF attempts (Mean ± SD) | 1.89 ± 1.2 | 2.19 ± 2.1 | a0.03 |
| Double ET N (%) | 160 (75.8) | 751 (82.1) | a0.041 |
FET frozen–thawed embryo transfer, ET embryo transfer, SD standard deviation
aStatistically significant (p < 0.05), as revealed by chi-squared or Mann–Whitney test
bOther causes include oncologic patients and idiopathic infertility