Treated (n = 30)

Control (n = 30)

Test of sig.

p

Number of embryos

208

186

Min. - Max.

1.0 - 15.0

0.0 - 16.0

U = 404.00

0.494

Mean ± SD.

6.93 ± 3.85

6.20 ± 3.95

Median

6.50

5.0

Class A embryos

170 (81.7%)

154 (82.8%)

χ² = 0.076

0.782

Min. - Max.

1.0 - 14.0

0.0 - 14.0

U = 401.00

0.466

Mean ± SD.

5.67 ± 3.29

5.13 ± 3.45

Median

6.0

4.0

Number of embryos transferred

90 (43.3%)

109 (58.6%)

χ² = 9.235*

0.002*

Min. - Max.

1.0 - 5.0

0.0 - 6.0

U = 310.50*

0.034*

Mean ± SD.

3.0 ± 1.08

3.63 ± 1.47

Median

3.0

4.0