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Related Experiment Videos

Study of luteal function.

P N Barri, B Acauan, M Galvez

    Acta Europaea Fertilitatis
    |May 1, 1983
    PubMed
    Summary
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    Evaluating luteal function requires assessing estrogen index (E.I.) and prolactin levels, not basal body temperature (BTT). Progesterone testing throughout the luteal phase is crucial for diagnosing luteal phase defects, indicating a central origin.

    Area of Science:

    • Reproductive Endocrinology
    • Gynecology
    • Infertility Research

    Background:

    • Luteal phase defects (LPDs) are a significant factor in infertility.
    • Accurate assessment of luteal function is essential for diagnosing and treating LPDs.
    • Current diagnostic methods for LPDs vary in efficacy.

    Purpose of the Study:

    • To evaluate the effectiveness of different parameters in assessing luteal function and diagnosing luteal phase defects.
    • To compare the diagnostic utility of basal body temperature (BTT), estrogen index (E.I.), prolactin levels, endometrial biopsy, and the thyrotropin-releasing hormone (TRH) test.
    • To determine the optimal method for progesterone evaluation in the luteal phase.

    Main Methods:

    • Comparative analysis of various diagnostic parameters for luteal function.

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  • Inclusion of basal body temperature (BTT), estrogen index (E.I.), prolactin levels, endometrial biopsy, and TRH testing.
  • Serial progesterone level measurements during the luteal phase.

    • Main Results:

    • Basal body temperature (BTT) is not a reliable indicator for evaluating luteal phase defects.
    • Estrogen index (E.I.) and prolactin levels, alongside endometrial biopsy, are valid parameters for assessing luteal function.
    • The TRH test is more effective than basal prolactin evaluation for assessing luteal function.
    • Single progesterone measurements are insufficient; serial evaluations are necessary.

    Conclusions:

    • Abnormal luteal function, leading to luteal phase defects, stems from abnormal follicular maturation.
    • The underlying mechanism for abnormal luteal function has a central origin.
    • Effective diagnosis of LPDs relies on a combination of hormonal assays and endometrial assessment, with serial progesterone monitoring being key.