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Table 1 Baseline cycle characteristics (N = 2896)

From: Combined analysis of endometrial thickness and pattern in predicting outcome of in vitro fertilization and embryo transfer: a retrospective cohort study

Variable Mean ± SDa
Maternal age (years) 31.0 ± 3.9
Duration of infertility (years) 5.0 ± 3.0
Baseline FSH (IU/L) 7.1 ± 2.2
AFC 15.6 ± 6.8
Duration of stimulation (days) 11.7 ± 3.4
Total dose of gonadotrophin (IU) 2537.3 ± 1067.2
Endometrial thickness (mm) 11.8 ± 2.7
E2on hCG day (pg/mL) 2107.3 ± 1596.1
P on hCG day (ng/mL) 1.0 ± 1.3
No. of oocyte retrieved 12.7 ± 6.1
No. of embryos transferred 2.3 ± 0.5
Etiology of infertility  
   Tubal factor 55.8%
   Ovulatory dysfunction 1.4%
   Endometriosis 3.2%
   Uterine factor 0.3%
   Male factor 13.4%
   Unknown factor and others 2.2%
   Multiple factors 23.7%
  1. aMean ± SD, unless otherwise indicated
  2. AFC = antral follicular count
  3. P = serum progesterone concentration
  4. E2 = serum estradiol concentration