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  • Title: Fine tuning cycle day 3 hormonal assessment of ovarian reserve improves in vitro fertilization outcome in gonadotropin-releasing hormone antagonist cycles.
    Author: Jurema MW, Bracero NJ, Garcia JE.
    Journal: Fertil Steril; 2003 Nov; 80(5):1156-61. PubMed ID: 14607567.
    Abstract:
    OBJECTIVE: To identify the cut-off values of the baseline (cycle day 3) levels of luteinizing hormone (LH), follicle-stimulating hormone (FSH), estradiol (E(2)) for improving the outcome prediction of GnRH antagonist in vitro fertilization (IVF) cycles and to determine whether the predictive accuracy of these values is affected by the patient's clinical prognosis. DESIGN: Retrospective analysis. SETTING: An IVF clinic in a tertiary medical center. Women undergoing 230 consecutive IVF cycles using a GnRH antagonist protocol. INTERVENTION: None. MAIN OUTCOME MEASURE(S): Outcome of IVF, measured by ovarian response and pregnancy rates. RESULT(S): Lower baseline levels of FSH and E(2), but not LH, correlated with improved ovarian response and pregnancy rates in IVF cycles using a GnRH antagonist. Compared with our currently used criteria, the cut-off values of FSH <10 IU/L and E(2) <56 pg/mL would have significantly improved the IVF outcome in a population of patients with normal prognosis. However, a stricter baseline FSH cut-off value of 8 IU/L would have been required to improve the IVF outcome in a population of patients with a poor prognosis. CONCLUSION(S): The outcome of IVF may be improved by modifying the hormonal starting criteria to take into account individual patient characteristics such as clinical prognosis.
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