IMSI

pIMSI

p

Patients

145

145

Mean age years ± sd (range)

34.6 ± 2.1
(29- 37)

34.5 ± 1.6
(30-37)

0.65

Number of oocyte retrievals

140

143

Number of mature oocytes retrieved
(mean ± sd/patient)

1596
(11.8 ±2.8)

1866
(12.1 ± 3.0)

0.39

Number of oocytes fertilised
(mean ± sd/patient %)

1325
(83.3 ± 9.1%)

1562
(84.0 ± 11.1%)

0.62

Number of grade A embryos
(% of total)

994
(75.0%)

1156
(74.0%)

0.57

Number of transfers

140

142

Number of embryos transferred
(mean ± sd/transfer)

364
(2.6 ± 0.8)

355
(2.5 ± 1.1)

0.52

Number of grade I embryos transferred

364

355

Number of clinical pregnancies
(% pregnancies/transfer)

50 (35.6%)

85 (59.6%)

0.00

Number of foetal heart beats
(Implantation rate %)

55 (15.1%)

107 (30.1%)

0.00

Pregnancies to term

48 (96.0%)

84 (98.8%)

0.50

Live births

50 (90.9%)

101 (94.4%)

0.50