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. 2020 Oct 23;28(10):12993–12999. doi: 10.1007/s11356-020-11287-w

Table 1.

Baseline characteristics and IVF outcome among the study population N = 450

Variables n (%) Mean ± SD
Education

  Vocational

  Secondary

 Higher

13 (2.89)

144 (32.00)

293 (65.11)

Age (years) 31.28 ± 3.52

  24–30

  31–39

  40–44

81 (18.00)

342 (76.00)

27 (6.00)

BMI (kg/m2) 23.19 ± 2.67

 < 18.5

  18.5–24.9

  25–29.9

  30–40

26 (5.78)

261 (58.00)

135 (30.00)

28 (6.22)

Current smoking

  No

  Yes

414 (92.00)

36 (8.00)

Alcohol use
  None or < 1 drink/week 245 (54.44)

  1–3 drinks/week

  Everyday

198 (44.0)

7 (1.56)

Initial infertility diagnosis

  Male factor

  Idiopathic

  Endometriosis

  Ovarian factor

  Tubal factor

  Missing data

171 (38.0)

139 (30.89)

62 (13.78)

21 (4.67)

46 (10.22)

11 (2.44)

Duration of couple’s infertility (years)

  1–2

  2–3

  3–5

 > 5

34 (7.56)

121 (26.89)

131 (29.11)

164 (36.44)

Stimulation protocol

  Long GnRH agonist protocol

  GnRH-antagonist protocol

198 (44)

252 (56)

AFC (n) 12.54 ± 7.21
FSH (IU/L) (mean ± SD) 6.21 ± 1.13
E2 peak (ng/mL) 2608.74 ± 1614.63
E2 (pg/mL) 92.78 ± 15.78
Progesterone (ng/mL) 0.99 ± 1.58
LH (IU/L) 5.34 ± 3.24
AMH (ng/mL) 1.19 ± 1.22
Number of oocytes retrieved (COC) 13.21 ± 7.44
Number of MII oocytes 9.98 ± 7.22
Fertilization rate (%) 80 ± 21
No. of cleavage embryos available 6.28 ± 1.54
No. of top quality embryos 2.01 ± 2.48
No. of embryos transferred 1.95 ± 0.16
Clinical pregnancy rate (%) per cycle 43.12 ± 7.89
Implantation rate (%) per embryo 38.16 ± 2.79

SD, standard deviation; AMH, anti-Müllerian hormone; AFC, antral follicle count; FSH, follicle-stimulating hormone; E2, estradiol; LH, luteinizing hormone