Table 2 Ovarian stimulation parameters according to the ovarian response level

No. of patients

162

277

138

46

623

 Protocol used (agonist/antagonist)

47/115

102/175

53/85

15/31

217/406

0.237

 Duration of stimulation (median, IQR)

10 (9–12)

10 (9–12)

10 (9–11)

10 (9–11)

10 (9–12)

0.603

 Total gonadotrophin dose I.U. (median, IQR)

2625 (2100–3300)

2250 (1725–2850)

1800 (1425–2400)

1500 (1350–1800)

2250 (1650–2850)

<0.001

Outcome

 No. of oocytes (median, IQR)

2 (1–3)

6 (5–8)

14 (12–16)

23 (21–26)

6 (3–12)

<0.001