Number of cycles
|
220
|
220
|
Total FSH/hMG dose (IU)
|
4664 ± 605
|
4680 ± 641
|
Duration of stimulation (days)
|
11.8 ± 2.3
|
11.6 ± 2.7
|
Estradiol levels on hCG day (pg/ml)
|
1215 ± 350a
|
712 ± 251b
|
Progesterone levels on hCG day (ng/ml)
|
0.8 ± 0.2
|
0.7 ± 0.3
|
Endometrial thickness (mm)
|
8.7 ± 1.3
|
8.4 ± 1.2
|
No of oocyte pick-ups
|
204
|
196
|
No of oocytes retrieved (per pick-up)
|
1224 (6.0 ± 4.1)
|
1218 (6.2 ± 4.9)
|
No of M2 oocytes retrieved
|
894 (4.3 ± 3.7)
|
913 (4.6 ± 4.1)
|
No of oocytes fertilized
|
721
|
694
|
No of embryos obtained
|
487 (2.3 ± 0.5)a
|
426 (2.1 ± 0.3)b
|
Grade I/II embryos (%)
|
35.9
|
36.8
|
No of overall cancelled cycles (%)
|
42 (19.0)
|
51 (23.1)
|
No of embryos transfer
|
178
|
169
|
Embryos per transfer
|
2.1 ± 0.2c
|
1.9 ± 0.4d
|
Clinical pregnancy rate per transfer (%)
|
17.9
|
15.9
|
Ongoing pregnancy rate per transfer (%)
|
14.6
|
14.2
|
Implantation rate per embryo transferred (%)
|
8.9
|
8.4
|
No of cycles with cryopreservation (%)
|
15.7
|
9.4
|
No of cryopreserved embryos
|
69
|
43
|