The number of patients per age group who underwent frozen-thawed embryo transfer (FET)
The characteristics of 154 FET cycles
Factors |
Mean ± SD |
---|---|
Age (years) (range) |
39.47 ± 3.6 (29–46) |
Number of conventional cycles before (range) |
0.81 ± 0.97 (0–5) |
Number of minimal/mild stimulation cycles started per patient including canceled cycles (range) |
3.21 ± 1.94 (1–11) |
Number of frozen embryos accumulated per patient |
3.72 ± 2.29 (1–13) |
Number of FET cycles per patient (range) |
1.37 ± 0.67 (1–4) |
AMH (ng/mL) (range) |
0.99 ± 0.86 (0.07–4.0) |
Number of day-3 stage embryos transferred per FET |
1.7 ± 0.53 |
Number of day-5 stage embryos transferred per FET |
1.6 ± 0.63 |
Days to pregnancy from the first minimal/mild stimulation cycle (range) |
324 ± 176 (93–877) |
Ongoing pregnancy rate per FET cycle |
46.8% (72/154) |
Ongoing twin pregnancy rate per FET cycle |
8.4% (13/154) |

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