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Table 2 Clinical parameters of the subjects with and without high-quality embryos

From: Increased GDF9 and BMP15 mRNA levels in cumulus granulosa cells correlate with oocyte maturation, fertilization, and embryo quality in humans

Variable High-quality embryos No high-quality embryos P
Cases 106 90 -
Age (years) 31.58 ± 4.91 32.29 ± 5.15 ns
BMI (kg/m 2 ) 21.35 ± 2.63 21.75 ± 3.00 ns
Antral follicle count (both ovaries) 15.28 ± 6.25 12.28 ± 6.76 ns
Ovary volume (mL) 5.92 ± 2.46 5.57 ± 3.44 ns
FSH (IU/L) 8.24 ± 2.45 9.56 ± 5.72 ns
LH (IU/L) 5.30 ± 3.18 5.11 ± 3.34 ns
E 2 (pg/mL) 50.81 ± 24.95 62.48 ± 26.68 ns
T (ng/L) 1.34 ± 0.60 2.19 ± 0.76 ns
PRL (pg/mL) 17.27 ± 11.90 15.82 ± 7.07 ns
Sperm number (×10 6 /ml) 0.52 ± 0.12 0.49 ± 0.15 ns
Sperm motility (%) 2.82 ± 0.83 3.56 ± 1.82 ns
Days of stimulation 11.20 ± 2.87 10.42 ± 3.94 ns
Gonadotropin dose (IU) 2149.38 ± 893.95 2167.46 ± 1112.80 ns
Retrieved oocytes* 14.39 ± 4.49 9.79 ± 3.75 <0.01
Oocyte maturation rate (%) 85.06 ± 16.66 82.26 ± 18.47 ns
Normal fertilization rate (%)* 75.09 ± 17.42 65.29 ± 29.80 <0.01
Cleavage rate (%)* 91.67 ± 10.35 81.02 ± 29.21 <0.01
Pregnancy rate (%)* 58.49 42.22 <0.01
  1. *P < 0.05, the group with high-quality embryos compared with the group without high-quality embryos; ns: not significant.