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  • Title: Vaginal use of micronized progesterone for luteal support.A randomized study comparing Utrogestan® and Crinone® 8.
    Author: Michnova L, Dostal J, Kudela M, Hamal P, Langova K.
    Journal: Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub; 2017 Mar; 161(1):86-91. PubMed ID: 28323291.
    Abstract:
    BACKGROUND AND OBJECTIVE: Luteal phase physiology is distorted by in vitro fertilization (IVF) cycles using gonadotropin-releasing hormone (GnRH) agonists and antagonists, Controlled ovarian hyperstimulation leads to luteal phase defect and for this reason, luteal phase support is now an integral part of IVF/ICSI-ET programs. The support is provided by hCG, progesterone or GnRH-a. This study compared the efficiency, safety and tolerance of two vaginal micronized progesterones, Utrogestan and Crinone 8%. METHODS: 111 women, 18-40 years old, FSH < 10 IU/L and normal uterus findings were included. The efficiency of the two preparations to provide luteal support was evaluated by the fertilization, implantation, pregnancy and take-home baby rates. The safety was compared through the results of vaginal findings and vaginal inflammation markers before and after treatment. Comparison of tolerance was made by evaluating 21 subjective patient questionnaire parameters. RESULTS: There were no significant differences between the preparations in terms of efficiency or safety though Crinone 8% was better tolerated. CONCLUSION: The outcomes of this study suggest that a vaginal gel with micronized progesterone (Crinone 8%) is the optimal choice at this time for luteal support.
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