Table 2.
Pregnancy outcomes of patients with different previous delivery modes.
| Parameter | Cleavage-stage embryo | Blastocyst-stage embryo | ||||
|---|---|---|---|---|---|---|
| VD group (n=1350) | CD group (n=1350) | P value | VD (n=729) | CD (n=729) | P value | |
| Biochemical pregnancy rate, %(n/N) | 40.67 (549/1350) | 39.18 (529/1350) | 0.432 | 71.60 (522/729) | 69.41 (506/729) | 0.358 |
| Clinical pregnancy rate,%(n/N) | 36.22 (489/1350) | 34.29 (463/1350) | 0.295 | 66.67 (487/729) | 65.29 (476/729) | 0.543 |
| Miscarriage rate, %(n/N) | 24.13 (118/489) | 28.94 (134/463) | 0.093 | 13.78 (67/487) | 18.07 (86/476) | 0.067 |
| Ectopic pregnancy rate, %(n/N) | 2.86 (14/489) | 1.94 (9/463) | 0.356 | 0.62 (3/487) | 1.68 (8/476) | 0.120 |
| Twin pregnancies rate, %(n/N) | 1.02 (5/489) | 0.86 (4/463) | 0.179 | 1.64 (8/487) | 0.63 (3/476) | 0.139 |
| Live birth rate, %(n/N) | 26.59 (359/1350) | 23.70 (320/1350) | 0.084 | 57.20 (417/729) | 52.40 (382/729) | 0.066 |
VD, vaginal delivery; CD, cesarean delivery. Values are described as percentage (number/total number),*P<0.05.