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Table 2 Clinical/oocyte/embryo parameters from ovarian stimulation to embryo transfer

From: Progesterone elevation on the day of human chorionic gonadotropin administration adversely affects the outcome of IVF with transferred embryos at different developmental stages

Parameter Day 3 ET Day 5 ET
  (n = 10,864) (n = 1146)
Duration of stimulation (days) 11.0 (2.0) 11.0 (2.0)
Total dose of Gn (IU) 2100 (1275) 1637.5 (787)
Serum progesterone (ng/ml), hCG day 0.83 ± 0.44 0.99 ± 0.43
Serum E2 (pg/ml), hCG day 4421.8 ± 2570.0 7696.2 ± 2659.7
Serum LH (IU/L), hCG day 1.88 (1.13) 1.46 (0.87)
Endometrial thickness (mm), hCG day 12.0 (1.8) 12.0(1.3)
Oocytes retrieved (n) 10 (7) 18 (5)
2PN oocytes (n) 6 (5) 14 (4)
2PN cleavage embryos (n) 6 (5) 13 (4)
Available embryos (n) 5 (4) 9 (4)
ET with a single embryo (%) 1.3 91.4
ET with two embryos (%) 87 8.6
ET with more than two embryos (%) 11.7 /
  1. Note: Values are the mean ± SD or median (IQR) unless otherwise noted; hCG: human chorionic gonadotropin; Gn: gonadotropin; E2: estrogen; LH: luteinizing hormone; ET: embryo transfer