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  • Title: Ovulatory status and follicular response predict success of clomiphene citrate-intrauterine insemination.
    Author: Park SJ, Alvarez JR, Weiss G, Von Hagen S, Smith D, McGovern PG.
    Journal: Fertil Steril; 2007 May; 87(5):1102-7. PubMed ID: 17261288.
    Abstract:
    OBJECTIVE: To test the hypothesis that anovulatory women would have good pregnancy rates (PRs), regardless of single or multiple follicular development, in response to clomiphene citrate (CC), whereas ovulatory women would have good PRs only when achieving multifollicular responses to CC. DESIGN: Retrospective chart review. SETTING: University-based infertility center. PATIENT(S): Two hundred and fifty-four women underwent 585 CC-IUI treatment cycles over a 3-year period. INTERVENTION: Treatment with CC-IUI. MAIN OUTCOME MEASURE(S): Various factors were examined as predictors of clinical pregnancy rate (CPR) and live-birth rate (LBR) per cycle with the use of logistic regression. RESULT(S): Overall, the CPR was 11.1%, and the LBR was 8.7%. Of 65 clinical pregnancies, 81.5% resulted in live births (singletons, 67.7%; twins, 13.8%). There were no higher-order deliveries. In anovulatory women, the CPR and LBR were 15.7% and 13.6%, respectively. In ovulatory women, the CPR and LBR were 8.8% and 6.3%, respectively. As the number of large follicles increased from one to two, the LBR increased from 6.8% to 10.5%. Regarding the interaction of follicles with ovulatory status, anovulatory women had nearly double the CPR and LBR compared to those in ovulatory women, irrespective of the number of large follicles. CONCLUSION(S): Treatment with CC-IUI is more successful in anovulatory women than in ovulatory women. The multiple follicular response in both ovulatory and anovulatory women increases PRs.
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