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Table 1 Demographic and clinical characteristics of participants at baseline

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

Characteristics Participants (n = 921)
Age, years 28.9 ± 3.5
Body mass index, kg/m2 21.8 ± 3.1
Anti-Müllerian hormone, ng/mL 12.3 ± 3.6
Antral follicle count, n 34.3 ± 18.3
Follicle-stimulating hormonea, IU/mL 8.5 ± 1.9
Progesteronea, ng/mL 0.7 ± 1.8
Luteinizing hormonea, IU/L 14.3 ± 6.9
Free testosterone indexa 5.2 ± 4.7
Menstrual cycles, n (%)
 Amenorrhea 52 (5.6)
 Oligomenorrhea 850 (92.3)
 Regular 19 (2.0)
Polycystic ovaries on ultrasound, n (%)
 Both ovaries 777 (84.4)
 One ovary 144 (15.6)
Duration of infertility, years 3.7 ± 2.6
Type of infertility, n (%)
 Primary 747 (81.1)
 Secondary 174 (18.9)
Number of IVF attempts, n, (%)
 1 814 (88.4)
 2 80 (8.7)
 3 27 (2.9)
Indications for IVM, n (%)
 Tubal factors 18 (2.0)
 Male factors 13 (1.4)
 Ovulation induction failure 862 (93.6)
 Previous OHSS with COH 18 (2.0)
 Other 10 (1.1)
  1. Values are mean ± standard deviation, or number of women (%)
  2. COH, controlled ovarian hyperstimulation, IVF in vitro fertilization, IVM in vitro maturation, OHSS ovarian hyperstimulation syndrome
  3. aHormone levels were assessed at the first physician visit, on the second day of progestogen-induced bleeding