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Pregnancy Rates From Intrauterine Insemination Are Equivalent Following 1- Versus 5-Day Letrozole Administration For Ovulation Induction: A Retrospective Study, Kaitlin Mcgrail, Susan Conway, John Storment, Sarah Buzhardt, Neil Chappell
Pregnancy Rates From Intrauterine Insemination Are Equivalent Following 1- Versus 5-Day Letrozole Administration For Ovulation Induction: A Retrospective Study, Kaitlin Mcgrail, Susan Conway, John Storment, Sarah Buzhardt, Neil Chappell
School of Medicine Faculty Publications
Objective: To compare the efficacy of single-dose letrozole (25 mg) with a 5-day course (5 mg/day) for ovulation induction (OI). Design: Retrospective cohort study. Setting: Hospital. Patient(s): Patients undergoing first round of OI and intrauterine insemination with letrozole from January 2015 through December 2017. Intervention(s): Patients received letrozole as either a single 25 mg dose for 1 day (1D) versus 5 mg daily for 5 days (5D). A secondary analysis was performed on patients also receiving gonadotropins (GND). Main Outcome Measure(s): Pregnancy rate (PR) determined by positive human chorionic GND. Result(s): There were 847 patients included in the study, 302 …