Pregnancy outcomes and adjusted odds ratio based on the number and quality of vitrified blastocyst transplantation.
| . | Implantation rate . | P-value . | aOR (95% CI) . | Live birth rate . | P-value . | aOR (95% CI) . |
|---|---|---|---|---|---|---|
| Number of transplanted blastocysts | ||||||
| Single blastocyst transferred (n = 14 024) | 6989/14 024 (49.84%) | 5590/14 024 (39.86%) | ||||
| 0–2 years | 6157/12 253 (50.25%) | ref. | 4929/12 253 (40.23%) | ref. | ||
| 2–5 years | 755/1607 (46.98%) | 0.620 | 1.03 (0.92–1.16) | 606/1607 (37.71%) | 0.108 | 0.91 (0.80–1.02) |
| >5 years | 77/164 (46.95%) | 0.997 | 0.99 (0.76–1.38) | 55/164 (33.54%) | 0.047 | 0.71 (0.50–0.99) |
| Double blastocyst transferred (n = 9390) | 7226/18 780 (38.48%) | 4194/9390 (44.66%) | ||||
| 0–2 years | 6208/15 998 (38.80%) | ref. | 3602/7999 (45.03%) | ref. | ||
| 2–5 years | 922/2482 (37.15%) | 0.098 | 0.90 (0.79–1.02) | 540/1241 (43.51%) | 0.223 | 0.92 (0.81–1.05) |
| >5 years | 96/300 (32.00%) | 0.008 | 0.64 (0.46–0.89) | 52/150 (34.67%) | 0.004 | 0.60 (0.42–0.85) |
| Quality of transplanted blastocysts | ||||||
| Non-good-quality (n = 4511) | 1751/6327 (27.68%) | 1130/4511 (25.05%) | ||||
| 0–2 years | 1516/5438 (27.88%) | ref. | 971/3858 (25.17%) | ref. | ||
| 2–5 years | 213/825 (25.82%) | 0.153 | 0.86 (0.70–1.06) | 144/604 (23.84%) | 0.135 | 0.85 (0.68–1.05) |
| >5 years | 22/64 (34.38%) | 0.238 | 1.44 (0.79–2.63) | 15/49 (30.61%) | 0.562 | 1.20 (0.64–2.25) |
| At least one good-quality (n = 18 903) | 12 464/26 477 (47.07%) | 8654/18 903 (45.78%) | ||||
| 0–2 years | 10 849/22 813 (47.56%) | ref. | 7560/16 394 (46.11%) | ref. | ||
| 2–5 years | 1464/3264 (44.85%) | 0.434 | 0.96 (0.88–1.06) | 1002/2244 (44.65%) | 0.704 | 1.02 (0.91–1.15) |
| >5 years | 151/400 (37.75%) | 0.020 | 0.74 (0.58–0.95) | 92/265 (34.72%) | 0.013 | 0.70 (0.53–0.93) |
| . | Implantation rate . | P-value . | aOR (95% CI) . | Live birth rate . | P-value . | aOR (95% CI) . |
|---|---|---|---|---|---|---|
| Number of transplanted blastocysts | ||||||
| Single blastocyst transferred (n = 14 024) | 6989/14 024 (49.84%) | 5590/14 024 (39.86%) | ||||
| 0–2 years | 6157/12 253 (50.25%) | ref. | 4929/12 253 (40.23%) | ref. | ||
| 2–5 years | 755/1607 (46.98%) | 0.620 | 1.03 (0.92–1.16) | 606/1607 (37.71%) | 0.108 | 0.91 (0.80–1.02) |
| >5 years | 77/164 (46.95%) | 0.997 | 0.99 (0.76–1.38) | 55/164 (33.54%) | 0.047 | 0.71 (0.50–0.99) |
| Double blastocyst transferred (n = 9390) | 7226/18 780 (38.48%) | 4194/9390 (44.66%) | ||||
| 0–2 years | 6208/15 998 (38.80%) | ref. | 3602/7999 (45.03%) | ref. | ||
| 2–5 years | 922/2482 (37.15%) | 0.098 | 0.90 (0.79–1.02) | 540/1241 (43.51%) | 0.223 | 0.92 (0.81–1.05) |
| >5 years | 96/300 (32.00%) | 0.008 | 0.64 (0.46–0.89) | 52/150 (34.67%) | 0.004 | 0.60 (0.42–0.85) |
| Quality of transplanted blastocysts | ||||||
| Non-good-quality (n = 4511) | 1751/6327 (27.68%) | 1130/4511 (25.05%) | ||||
| 0–2 years | 1516/5438 (27.88%) | ref. | 971/3858 (25.17%) | ref. | ||
| 2–5 years | 213/825 (25.82%) | 0.153 | 0.86 (0.70–1.06) | 144/604 (23.84%) | 0.135 | 0.85 (0.68–1.05) |
| >5 years | 22/64 (34.38%) | 0.238 | 1.44 (0.79–2.63) | 15/49 (30.61%) | 0.562 | 1.20 (0.64–2.25) |
| At least one good-quality (n = 18 903) | 12 464/26 477 (47.07%) | 8654/18 903 (45.78%) | ||||
| 0–2 years | 10 849/22 813 (47.56%) | ref. | 7560/16 394 (46.11%) | ref. | ||
| 2–5 years | 1464/3264 (44.85%) | 0.434 | 0.96 (0.88–1.06) | 1002/2244 (44.65%) | 0.704 | 1.02 (0.91–1.15) |
| >5 years | 151/400 (37.75%) | 0.020 | 0.74 (0.58–0.95) | 92/265 (34.72%) | 0.013 | 0.70 (0.53–0.93) |
Pregnancy outcomes and adjusted odds ratio based on the number and quality of vitrified blastocyst transplantation.
| . | Implantation rate . | P-value . | aOR (95% CI) . | Live birth rate . | P-value . | aOR (95% CI) . |
|---|---|---|---|---|---|---|
| Number of transplanted blastocysts | ||||||
| Single blastocyst transferred (n = 14 024) | 6989/14 024 (49.84%) | 5590/14 024 (39.86%) | ||||
| 0–2 years | 6157/12 253 (50.25%) | ref. | 4929/12 253 (40.23%) | ref. | ||
| 2–5 years | 755/1607 (46.98%) | 0.620 | 1.03 (0.92–1.16) | 606/1607 (37.71%) | 0.108 | 0.91 (0.80–1.02) |
| >5 years | 77/164 (46.95%) | 0.997 | 0.99 (0.76–1.38) | 55/164 (33.54%) | 0.047 | 0.71 (0.50–0.99) |
| Double blastocyst transferred (n = 9390) | 7226/18 780 (38.48%) | 4194/9390 (44.66%) | ||||
| 0–2 years | 6208/15 998 (38.80%) | ref. | 3602/7999 (45.03%) | ref. | ||
| 2–5 years | 922/2482 (37.15%) | 0.098 | 0.90 (0.79–1.02) | 540/1241 (43.51%) | 0.223 | 0.92 (0.81–1.05) |
| >5 years | 96/300 (32.00%) | 0.008 | 0.64 (0.46–0.89) | 52/150 (34.67%) | 0.004 | 0.60 (0.42–0.85) |
| Quality of transplanted blastocysts | ||||||
| Non-good-quality (n = 4511) | 1751/6327 (27.68%) | 1130/4511 (25.05%) | ||||
| 0–2 years | 1516/5438 (27.88%) | ref. | 971/3858 (25.17%) | ref. | ||
| 2–5 years | 213/825 (25.82%) | 0.153 | 0.86 (0.70–1.06) | 144/604 (23.84%) | 0.135 | 0.85 (0.68–1.05) |
| >5 years | 22/64 (34.38%) | 0.238 | 1.44 (0.79–2.63) | 15/49 (30.61%) | 0.562 | 1.20 (0.64–2.25) |
| At least one good-quality (n = 18 903) | 12 464/26 477 (47.07%) | 8654/18 903 (45.78%) | ||||
| 0–2 years | 10 849/22 813 (47.56%) | ref. | 7560/16 394 (46.11%) | ref. | ||
| 2–5 years | 1464/3264 (44.85%) | 0.434 | 0.96 (0.88–1.06) | 1002/2244 (44.65%) | 0.704 | 1.02 (0.91–1.15) |
| >5 years | 151/400 (37.75%) | 0.020 | 0.74 (0.58–0.95) | 92/265 (34.72%) | 0.013 | 0.70 (0.53–0.93) |
| . | Implantation rate . | P-value . | aOR (95% CI) . | Live birth rate . | P-value . | aOR (95% CI) . |
|---|---|---|---|---|---|---|
| Number of transplanted blastocysts | ||||||
| Single blastocyst transferred (n = 14 024) | 6989/14 024 (49.84%) | 5590/14 024 (39.86%) | ||||
| 0–2 years | 6157/12 253 (50.25%) | ref. | 4929/12 253 (40.23%) | ref. | ||
| 2–5 years | 755/1607 (46.98%) | 0.620 | 1.03 (0.92–1.16) | 606/1607 (37.71%) | 0.108 | 0.91 (0.80–1.02) |
| >5 years | 77/164 (46.95%) | 0.997 | 0.99 (0.76–1.38) | 55/164 (33.54%) | 0.047 | 0.71 (0.50–0.99) |
| Double blastocyst transferred (n = 9390) | 7226/18 780 (38.48%) | 4194/9390 (44.66%) | ||||
| 0–2 years | 6208/15 998 (38.80%) | ref. | 3602/7999 (45.03%) | ref. | ||
| 2–5 years | 922/2482 (37.15%) | 0.098 | 0.90 (0.79–1.02) | 540/1241 (43.51%) | 0.223 | 0.92 (0.81–1.05) |
| >5 years | 96/300 (32.00%) | 0.008 | 0.64 (0.46–0.89) | 52/150 (34.67%) | 0.004 | 0.60 (0.42–0.85) |
| Quality of transplanted blastocysts | ||||||
| Non-good-quality (n = 4511) | 1751/6327 (27.68%) | 1130/4511 (25.05%) | ||||
| 0–2 years | 1516/5438 (27.88%) | ref. | 971/3858 (25.17%) | ref. | ||
| 2–5 years | 213/825 (25.82%) | 0.153 | 0.86 (0.70–1.06) | 144/604 (23.84%) | 0.135 | 0.85 (0.68–1.05) |
| >5 years | 22/64 (34.38%) | 0.238 | 1.44 (0.79–2.63) | 15/49 (30.61%) | 0.562 | 1.20 (0.64–2.25) |
| At least one good-quality (n = 18 903) | 12 464/26 477 (47.07%) | 8654/18 903 (45.78%) | ||||
| 0–2 years | 10 849/22 813 (47.56%) | ref. | 7560/16 394 (46.11%) | ref. | ||
| 2–5 years | 1464/3264 (44.85%) | 0.434 | 0.96 (0.88–1.06) | 1002/2244 (44.65%) | 0.704 | 1.02 (0.91–1.15) |
| >5 years | 151/400 (37.75%) | 0.020 | 0.74 (0.58–0.95) | 92/265 (34.72%) | 0.013 | 0.70 (0.53–0.93) |
This PDF is available to Subscribers Only
View Article Abstract & Purchase OptionsFor full access to this pdf, sign in to an existing account, or purchase an annual subscription.
