Fertility and sterility
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Fertility and sterility · Dec 2004
Randomized Controlled Trial Clinical TrialA randomized trial of letrozole versus clomiphene citrate in women undergoing superovulation.
To compare the effects of the aromatase inhibitor letrozole (7.5 mg) and clomiphene citrate (CC; 100 mg) in women undergoing superovulation and IUI. ⋯ Superovulation and IUI with letrozole and CC are associated with similar pregnancy rates, but the miscarriage rate is higher with CC. The ideal dose of letrozole remains unknown and further study is needed.