Table I.
The outcome of demographic characteristics and IVF between No pregnancy group and pregnancy group
| Parameter | No pregnancy group | Pregnancy group | p-value |
|---|---|---|---|
| Cycles | 10 | 5 | - |
| No. of oocytes recovered (M±SD) | 165 (16.5±4.89) | 91 (18.2±5.81) | 0.559 |
| No. of oocytes fertilized (M±SD) | 107 (10.70±3.56) | 72 (14.40±5.73) | 0.142 |
| No. of embryos cleaved [n, (%)] | 104 (97.20) | 72 (100) | 0.401 |
| No. of class Ⅰ embryos | 6 | 5 | - |
| No. of class Ⅱ embryos | 35 | 21 | - |
| Percentage of good quality embryos [%, (n/n)] | 39.42 (41/104） | 36.11 (26/72) | 0.752 |
| No. of class Ⅲ embryos | 30 | 22 | - |
| No. of class Ⅳ embryos | 33 | 24 | - |
| Percentage of poor quality embryos [%, (n/n)] | 60.58 (63/104) | 63.89 (46/72) | 0.752 |
| No. of blastocysts obtained and vitrified | 14 | 13 | - |
| No. of blastocysts survived and transferred | 13 | 12 | - |
| Implantation rate per transferred cycle [%, (n/n)] | 0 | 58.33 (7/12) | - |
| No. of twin pregnancies (%) | 0 | 2(40.0)* | - |
NS= not significant
*
All multiple pregnancies were dizygotic twins.