Table 1 Patient characteristics

No. of cycles, n

744

No. of patients, n

361

Age, years

37 (23–46)^a

Gravida per patient, n

0 (0–7)^a

Parity per patient, n

0 (0–4)^a

BMI, kg/m²

21 (16–36)^a

Infertility period, years

6 (0–18)^a

Previous treatment cycles, n

2 (1–16)^a

Cycles with GnRH agonist long/all cycles (%)

509/744 (68.4)

Cycles with GnRH antagonist/all cycles (%)

235/744 (31.6)

Duration of hMG/rFSH, days

11 (7–21)^a

Dose of hMG/rFSH, IU

1425 (150–4800)^a

Hormone levels^b

 FSH, mIU/ml

13.5 (3.2–113.5)^a

 LH, mIU/ml

2.4 (0.1–45.3)^a

 PRL, ng/ml

30.4 (0.6–314)^a

 Estradiol, pg/ml

1633 (62–15,768)^a

 Progesterone, ng/ml

0.75 (0.05–10.9)^a

Endometrial thickness^b, mm

10.9 (4.6–21.2)^a

No. of follicles over 15.5 mm^b, n

4 (1–16)^a