Impact of 2.5 mg versus 5 mg letrozole co-treatment in an antagonist protocol for IVF: a retrospective study
Jing Lin,
Fenglu Wu,
Kai Zhang
et al.
Abstract:ObjectiveThe present study aimed to compare the effectiveness of two different doses of letrozole (2.5 mg and 5 mg daily) in an antagonist protocol for infertile women with normal ovarian reserve.MethodsThis retrospective cohort study included infertile women who underwent in vitro fertilization treatment with letrozole co-treatment at doses of 2.5 mg and 5 mg from 2007 – 2021 at Shanghai Ninth People’s Hospital (Shanghai, China). The control group comprised infertile women who received gonadotropin-releasing … Show more
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