Table 1. Clinical characteristics and stimulation parameters of the Birefringence and Conventional groups.
Variables Birefringence
(n=74)
Conventional
(n=107)
p
Female age (years) 32.81±2.61 31.75±3.13 0.01
Infertility Factor
Poor ovarian reserve
Male factor
Endometriosis
Anatomic Disorder
5.63%
80.28%
11.27%
2.82%
12.22%
48.89%
24.44%
12.82%
<0.01
Semen parameters
Concentration/mL
Volume
Progressive motility
DNA fragmentation (%)
14.80±14.84
2.71±1.51
49.71±18.21
37.17±14.09
23.62±20.38
2.73±1.33
50.09±20.53
16.95±10.78
<0.01
0.93
0.47
<0.01
Trigger
hCG
GnRHa
Mixed hCG and GnRHa
74.07%
11.11%
14.81%
85.87%
6.52%
7.61%
0.20
Total FSH dose 1545.59±1027.45 1495.13±871.06 0.93
Number of retrieved oocytes 14.51±7.94 17.15±11.05 0.06
Number of mature oocytes 10.08±5.91 10.49±6.91 0.68

BMI: Body Mass Index. Data compared using t test or Chi-square test. Significance: p<0.05.