Table 4 The pregnancy outcomes of artificial FET cycles in the subgroups of different embryos
Low P+ strengthened LPS (Group A, n = 1295) | Normal P+ routine LPS (Group B, n = 1261) | Crude RR (95%CI) | Adjusted RR (95%CI) | P value | |
|---|---|---|---|---|---|
Cleavage embryo transfer | |||||
Clinical pregnancy rate | 47.5% (513/1079) | 51.7% (527/1020) | 0.85 (0.71,1.0) | 0.79 (0.65,0.96) | 0.017 |
Miscarriage rate | 16.1% (82/508) | 14.1% (73/517) | 1.17 (0.83,1.65) | 1.19 (0.81,1.76) | 0.37 |
Live birth rate | 38.6% (416/1079) | 42.1% (429/1020) | 0.86 (0.73,1.03) | 0.82 (0.67,0.99) | 0.044 |
Blastocyst transfer | |||||
Clinical pregnancy rate | 52.8% (114/216) | 59.8% (144/241) | 0.78 (0.52,1.16) | 0.82 (0.54,1.24) | 0.34 |
Miscarriage rate | 15.2% (17/112) | 17.0% (24/141) | 0.87 (0.44,1.72) | 0.82 (0.39,1.70) | 0.82 |
Live birth rate | 44.0% (95/216) | 48.5% (102/241) | 0.83 (0.58,1.20) | 0.90 (0.60,1.36) | 0.62 |
Single embryo transfer | |||||
Clinical pregnancy rate | 36.3% (111/306) | 49.6% (126/254) | 0.58 (0.41,0.81) | 0.57 (0.38,0.84) | 0.005 |
Miscarriage rate | 20.9% (23/110) | 17.6% (22/125) | 1.24 (0.65,2.37) | 1.25 (0.59,2.66) | 0.56 |
Live birth rate | 28.4% (87/306) | 40.6% (103/254) | 0.58 (0.41,0.83) | 0.56 (0.38,0.82) | 0.005 |
Two-embryos transfer | |||||
Clinical pregnancy rate | 52.2% (516/989) | 54.2% (545/1006) | 0.92 (0.77,1.10) | 0.89 (0.73,1.08) | 0.25 |
Miscarriage rate | 14.9% (76/510) | 14.1% (75/533) | 1.07 (0.76,1.51) | 1.08 (0.73,1.58) | 0.71 |
Live birth rate | 42.9% (424/989) | 44.0% (443/1006) | 0.95 (0.80,1.14) | 0.93 (0.76,1.13) | 0.45 |