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Table 5 Factors influencing oocyte maturation (n = 920) and the number of oocytes retrieved (n = 921) after in vitro maturation

From: Live birth rate after human chorionic gonadotropin priming in vitro maturation in women with polycystic ovary syndrome

  Oocyte maturation Oocytes retrieved
Univariate analysis Multivariate analysis Univariate analysis Multivariate analysis
β p-value β p-value β p-value β p-value
Age, years 0.001 0.99 0.11 0.19 −0.08 0.31
Body mass index, kg/m2 −0.1 0.70 0.845 < 0.001 0.85 < 0.001
Anti-Müllerian hormone, ng/mL 0.31 0.15 0.32 < 0.001 0.28 0.001 0.36 < 0.001
Antral follicle count, n 0.07 0.27    0.002 0.88   
Follicle stimulating hormone, IU/mL 0.26 0.53 0.14 0.39
Progesterone, ng/mL 0.35 0.41 −0.17 0.31
Luteinizing hormone, IU/L 0.48 < 0.001 −0.11 0.01 −0.09 0.04 −0.09 0.03
Free testosterone index 0.44 0.002 −0.05 0.37 −0.03 0.62
Menstrual cycles, n (%)
 Amenorrhea Ref Ref Ref Ref
 Oligomenorrhea −6.68 0.05 −0.82 0.53 −0.82 0.54
 Regular −5.74 0.36 −3.96 0.11 −3.97 0.08
Polycystic ovaries on ultrasound, n (%)
 Both ovaries Ref Ref Ref Ref
 One ovary 0.92 0.65 −1.06 0.26
Duration of infertility, years 0.21 0.48 −0.02 0.86
Type of infertility, n (%)
 Primary Ref Ref Ref Ref Ref Ref Ref Ref
 Secondary −5.79 0.003 1.15 0.13 1.38 0.07 1.17 0.11
Number of IVF attempts, n (%)
 1 Ref Ref Ref Ref Ref Ref Ref Ref
 2 −7.65 0.005 1.33 0.21 1.63 0.13 1.74 0.11
 3 −5.77 0.21 4.71 0.008 4.51 0.01 4.84 0.006
Indications for IVM, n (%)
 Tubal factors Ref Ref Ref Ref
 Male factors −0.60 0.94 −2.24 0.49
 Ovulation induction failure −1.19 0.83 3.92 0.07 4.05 0.004
 Previous OHSS with COH −6.72 0.38 5.12 0.09 2.22 0.38
 Others −0.90 0.80 − 0.90 0.80
  1. COH controlled ovarian hyperstimulation, IVF in vitro fertilization, IVM in vitro maturation, OHSS ovarian hyperstimulation syndrome