|
ICSI |
IMSI |
pICSI |
p |
Patients |
652 |
86 |
12 |
|
Mean age years ± sd (range) |
34.6 ± 5.5
(27- 37) |
33.8 ± 3.5
(30-37) |
33.8 ± 1.9
(31-37) |
0.40 |
Number of oocyte retrievals |
652 |
86 |
12 |
|
Number of mature oocytes retrieved
(mean ± sd/patient) |
7008
(12.4 ±3.0) |
1118
(13.2 ± 4.0) |
161
(13.4 ± 2.0) |
0.05 |
Proportion of sperm selected for ICSI |
7008/7008
(100%) |
1118/1434
(77.9%) |
161/453
(35.5%) |
|
Number of oocytes fertilised
(mean ± sd/patient %) |
5677
(81.0 ± 6.7%) |
917
(81.0 ± 11.2%) |
113
(71.2 ± 6.0%) |
|
Number of grade A embryos
(% of total) |
4088
(72.0%) |
624
(68.0%) |
77
(68.1%) |
|
Number of transfers |
652 |
86 |
12 |
|
Number of embryos transferred
(mean ± sd/transfer) |
1941
(2.8 ± 1.0) |
258
(3.0 ± 1.0) |
36
(3.0 ± 0.0) |
0.18 |
Number of grade I embryos transferred |
1941 |
258 |
36 |
|
Number of clinical pregnancies
(% pregnancies/transfer) |
194 (29.8%) |
28 (32.5%) |
3 (25.0%) |
|
Number of foetal heart beats
(Implantation rate %) |
255 (13.1%) |
42 (16.3%) |
4
(11.1%) |
|
Pregnancies to term |
186 (95.9%) |
25 (89.3%) |
3 (100%) |
|
Live births |
221 (86.6%) |
31 (73.8%) |
3 (75.0%) |
|