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  1. Fulltext. Caffeine consumption and menstrual function.

    Article - En anglais

    Fulltext.

    The relation between caffeine intake and menstrual function was examined in 403 healthy premenopausal women who belonged to Kaiser Permanente Medical Care Program in 1990-1991.

    A telephone interview collected information about caffeinated beverage intake as well as other lifestyle, demographic, occupational, and environmental factors.

    Subjects collected daily urine samples and completed a daily diary for an average of five menstrual cycles.

    Metabolites of estrogen and progesterone were measured in the urine, each cycle was characterized as anovulatory or ovulatory, and a probable day of ovulation was selected when appropriate.

    Logistic regression and repeated measures analyses were performed on menstrual parameters.

    Women whose caffeine consumption was heavy (>300 mg of caffeine per day) had less than a third of the risk for long menses (>8 days) compared with women who did not consume caffeine (adjusted odds ratio=0.30,95% confidence interval 0.14-0.66).

    Those whose caffeine consumption was heavy also had a doubled risk for short cycle length (<24 days) (adjusted odds ratio=2.00,95% confidence interval 0.98-4.06) ; this association was also evident in those whose caffeine consumption was heavy who did not smoke (adjusted odds ratio=2.11,95% confidence interval 1.03-4.33). (...)

    Mots-clés Pascal : Etats Unis, Amérique du Nord, Amérique, Homme, Femelle, Consommation alimentaire, Caféine, Habitude alimentaire, Analyse biochimique, Oestrogène, Progestérone, Cycle menstruel, Ovulation, Phase folliculaire, Phase lutéale, Cycle menstruel pathologie

    Mots-clés Pascal anglais : United States, North America, America, Human, Female, Food intake, Caffeine, Food habit, Biochemical analysis, Estrogen, Progesterone, Menstrual cycle, Ovulation, Follicular phase, Luteal phase, Menstruation disorders

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0190583

    Code Inist : 002B20C01. Création : 16/11/1999.