ObjectiveTo evaluate the effect of a prior assisted reproductive technology (ART) live birth on subsequent live-birth rates.DesignHistorical cohort study.SettingClinic-based data.Patient(s)The study population included 297,635 women with 54…
BackgroundLive-birth rates after treatment with assisted reproductive technology have traditionally been reported on a per-cycle basis. For women receiving continued treatment, cumulative success rates are a more important measure.MethodsWe…
OBJECTIVE: To evaluate factors associated with the use of elective single embryo transfer (eSET) and its effect on assisted reproductive technology (ART) outcome. DESIGN: Historical cohort. SETTING: Clinic-based data. PATIENT(S): A total…
ObjectiveTo evaluate ethnic differences in assisted reproductive technology (ART) outcomes in the United States.DesignHistorical cohort study.SettingClinic-based data.Patient(s)A total of 139,027 ART cycles from the Society for Assisted Rep…
ObjectiveTo evaluate the risks of pregnancy complications and adverse outcomes associated with increasing maternal age and higher plurality.DesignPopulation-based, historic cohort study.SettingUS birth certificates and infant death certific…