Clinical Study

The Use of High Dose Letrozole in Ovulation Induction and Controlled Ovarian Hyperstimulation

Table 1

Ovulations and pregnancy rate for all subjects.
(a) All cycles

Dose (mg) 𝑁 Predicted ovulation number (95% CI)Pregnancy rate
(95% CI)

5331.60 (1.32–1.89)0.15 (0.02–0.28)
7.5801.69 (1.50–1.89)0.14 (0.06–0.21)
10182.25 (1.17–2.79)0.11 (0–0.27)
12.57352.16 (2.09–2.23)0.07 (0.06–0.09)

(b) First cycle at indicated dose

Dose (mg)NPredicted ovulation number (95% CI)Pregnancy rate
(95% CI)

5281.56 (1.25–1.87)0.19 (0.03–0.35)
7.5531.62 (1.39–1.85)0.12 (0.03–0.21)
10102.08 (1.30–2.87)0
12.52601.91 (1.80–2.02)0.08 (0.05–0.12)