Table 3 Pregnancy outcomes of pET in the experimental group and conventional ET in the control group
|  | Experimental | Control (n = 86) | P-valuea | P-valueb | P-valuec | RRe (95%Cl) | P-valued | ||
|---|---|---|---|---|---|---|---|---|---|
Displaced (n = 17) | Non-displaced (n = 39) | Total (n = 56) | |||||||
No. of patients receiving embryo transfers (n) | 16 | 32 | 48 | 86 | Â | Â | Â | Â | Â |
No. of patients transferred D3 embryos (n) | 8 | 18 | 26 | 59 | Â | Â | Â | Â | Â |
No. of patients who received pET (n) | 8 | 18 | 26 | – |  |  |  |  |  |
 Intrauterine pregnancy (n/%) | 5/8 (62.5%) | 8/18 (44.4%) | 13/26 (50%) | 14/59 (23.7%) | 0.062 | 0.089 | 0.673 | 2.107 (1.159 to 3.830) | 0.017 |
 Live birth (n/%) | 4/8 (50%) | 7/18 (38.9%) | 11/26 (42.3%) | 13/59 (22.0%) | 0.203 | 0.263 | 0.683 | 1.92 (0.995 to 3.705) | 0.056 |
 No. of transferred D3 embryos (n) | 15 | 36 | 51 | 114 |  |  |  |  |  |
 Embryos implanted (n/%) | 6/15 (40%) | 10/36 (27.8%) | 16/51 (31.4%) | 19/114 (16.7%) | 0.072 | 0.141 | 0.599 | 1.882 (1.057 to 3.353) | 0.033 |
No. of patients transferred blastocysts (n) | 8 | 14 | 22 | 27 | Â | Â | Â | Â | Â |
No. of patients who received pET (n) | 8 | 14 | 22 | – |  |  |  |  |  |
 Intrauterine pregnancy (n/%) | 6/8 (75%) | 8/14 (57.1%) | 14/22 (63.6%) | 11/27 (40.7%) | 0.121 | 0.318 | 0.649 | 1.562 (0.898 to 2.718) | 0.111 |
 Live birth (n/%) | 6/8 (75%) | 7/14 (50%) | 13/22 (59.1%) | 10/27 (37.0%) | 0.105 | 0.424 | 0.380 | 1.595 (0.874 to 2.914) | 0.124 |
 No. of transferred blastocysts (n) | 13 | 26 | 39 | 44 |  |  |  |  |  |
 Embryos implanted (n/%) | 7/13 (53.8%) | 10/26 (38.5%) | 17/39 (43.6%) | 12/44 (27.3%) | 0.147 | 0.330 | 0.497 | 1.598 (0.877 to 2.913) | 0.120 |