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Serum phosphorus during the menstrual cycle

A M Voda, K Wilde, B P Gill

    Contraception
    |July 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

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    Researchers investigated serum phosphorus (P) levels for ovulation detection. Unlike salivary P, serum P showed no significant periovulatory increase, suggesting other excretion methods are involved.

    Area of Science:

    • Reproductive endocrinology
    • Clinical chemistry

    Background:

    • Detecting ovulation noninvasively is crucial for reproductive health.
    • Salivary phosphorus (P) levels may indicate ovulation, but serum P data is conflicting.

    Purpose of the Study:

    • To investigate serum P levels during the menstrual cycle for ovulation detection.
    • To compare serum P changes with established ovulation indicators.

    Main Methods:

    • Serum P was measured throughout one menstrual cycle in nine ovulatory and two anovulatory women.
    • Ovulation was confirmed by biphasic basal body temperature (BBT) and luteal phase progesterone levels (>3 ng/ml).

    Main Results:

    • No significant periovulatory increase in serum P was observed.
    Keywords:
    BiologyClinical ResearchCorrelation StudiesExaminations And DiagnosesHematological EffectsHemic SystemHuman VolunteersLaboratory Examinations And DiagnosesLaboratory ProceduresMenstrual CycleMenstruationOvulation DetectionPhysiologyReproductionResearch MethodologySerum Phosphorus LevelStatistical StudiesStudies

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  • Serum P exhibited minor fluctuations, ranging from 0.99–2.76 mg/dl.

    • Conclusions:

    • Serum P levels do not appear to be a reliable indicator of ovulation.
    • Altered phosphorus metabolism during the menstrual cycle, if it occurs, is not reflected in serum P.
    • Urinary or salivary P excretion may regulate serum P levels, warranting further investigation.