Dosage Optimization for Letrozole Treatment in Clomiphene-Resistant Patients with Polycystic Ovary Syndrome: A Prospective Interventional Study

Table 2

Number of follicles in step-up protocol.

Dosage	One follicle	Multifollicles
Letrozole 2.5 mg	10 (83.33%)	2 (16.66%)
Letrozole 5 mg	11 (68.75%)	5 (31.25%)
Letrozole 7.5 mg	15 (65.21%)	8 (34.78%)

𝜒² for linear trend: 25.6, 𝑃<0.0001.