Table 2 Characteristics of the IVF cycles in women who did and did not achieve clinical pregnancy.

From: Women’s quality of sleep and in vitro fertilization success

Characteristics

Successfull conception

N = 81

Failed conception

N = 182

p

Total dose of gonadotropins (IU)

1800 [1500–2225]

1800 [1475–2250]

0.67

Duration of stimulation (days)

9 [8–10]

8 [7–10]

0.04

Number of follicles ≥ 15 mm

7 [5–11]

5 [3–7]

 < 0.001

Number of oocytes retrieved

7 [4–11]

5 [2–7]

 < 0.001

Number of mature oocytes

6 [4–8]

4 [2–6]

 < 0.001

Number of embryos

4 [3–6]

2 [1–4]

 < 0.001

Number of embryo transfers

  

 < 0.001

0

0 (0%)

43 (24%)

 

1

55 (68%)

99 (54%)

 

2

21 (26%)

31 (17%)

 

≥ 3

5 (6%)

9 (5%)

 
  1. Data is reported as Median [IQR] or Number (%) as appropriate.
  2. BMI body mass index, FSH follicle stimulating hormone, AMH anti-mullerian hormone, IVF in vitro fertilization, PID pelvic inflammatory disease.