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Table 3 Pregnancy-related indexes grouped by PCOS status or BMI

From: Metabolic heterogeneity of follicular amino acids in polycystic ovary syndrome is affected by obesity and related to pregnancy outcome

Indexes PCOS status p-value BMI p-value
  Control (n = 48) PCOS (n = 63)   ≤25 kg/m2(n = 73) >25 kg/m2(n = 38)  
No. of oocytes retrieved 15.40 ± 1.23 18.75 ± 1.30 0.064 18.36 ± 1.19 15.26 ± 1.39 0.111
No. of fertilized embryos 10.52 ± 0.98 13.71 ± 1.08 0.032 13.56 ± 0.98 9.97 ± 1.12 0.025
Fertilization rate 0.68 ± 0.03 0.71 ± 0.03 0.441 0.74 ± 0.02 0.61 ± 0.04 0.007
No. of 2PN embryos 9.04 ± 0.89 11.40 ± 0.96 0.074 11.37 ± 0.86 8.47 ± 0.99 0.040
2PN rate 0.57 ± 0.03 0.58 ± 0.03 0.829 0.61 ± 0.03 0.51 ± 0.04 0.029
No. of available embryos 6.56 ± 0.77 9.49 ± 0.93 0.017 8.64 ± 0.81 7.42 ± 1.03 0.364
Embryo transfer       
Yes 45 49 N/A 61 33 N/A
No 3 14 N/A 12 5 N/A
Cancellation rate 6.25% 22.22% 0.021 16.44% 13.16% 0.649
Pregnancy outcome       
No. of pregnant cases 25 22 N/A 30 17 N/A
No. of failed cases 18 22 N/A 29 11 N/A
No. of pregnancy loss 2 5 N/A 2 5 N/A
Implantation rate 0.38 ± 0.06 0.33 ± 0.06 0.550 0.33 ± 0.05 0.40 ± 0.07 0.345
Pregnancy rate 60.00% 55.10% 0.210 52.46% 62.07% 0.184
Abortion rate 7.40% 18.52% 0.224 6.25% 22.72% 0.107
  1. Values were expressed as mean ± SEM. Comparisons between groups were done with t test after testing for equality of variance or Chi-square test or Fisher’s exact test for proportional data analysis. PN, pronucleus. N/A, not available.