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  • Title: [Rational hormone diagnosis in normocyclic functional sterility].
    Author: Moltz L, Leidenberger F, Weise C.
    Journal: Geburtshilfe Frauenheilkd; 1991 Sep; 51(9):756-68. PubMed ID: 1835948.
    Abstract:
    Functional infertility in women with a normal menstrual cycle is the first symptom of a pathophysiological sequence of multiple different endocrinopathies. It usually progresses and leads to secondary amenorrhoea which is the most severe symptom of ovarian insufficiency. The percentage of abnormal hormonal parameters will increase with the duration and extent of the endocrinological aberration. The aim of this study is to examine the frequency of the different potential changes in hormone levels of an unselected group of female patients in a fertility clinic. 307 patients suffering from functional sterility (menstrual cycle 25-34 days) were investigated via basal hormone laboratory tests (including TRH test) under standardised conditions. 73 patients had pathological changes of the Fallopian tubes and in 116 patients their husbands had severe andrological problems. Excluded from this study were patients with bilateral occlusion of the Fallopian tubes and patients whose partners had a sperm count of less than 1 million/ml. The percentage of abnormal hormone levels (greater than mean + standard deviation + grey area) was 32.2% for prolactin (PRL), 7.8% for TSH, 20.9% for Delta-TSH, 18.4% for DHEA-sulfate (DS), 9.8% for testosterone (T), 18.9% for LH, and 11.5% for FSH (LH and FSH were specifically calculated only in 87 patients). In 65.5% of the patients the midluteal oestradiol (E2) and progesterone (P) levels were below normal, as sign of a corpus luteum insufficiency (CLI). A step- by-step diagnostic procedure would have yielded the following cumulative abnormal hormone levels retrospectively: (1) PRL (n = 99) = 32.2% (2) +TSH/delta TSH (n = 85) = 48.9% (3) +DS (n = 56) = 58.0% (4) +T (n = 30) = 59.3% (5) +LH/FSH (n = 28) = 62.2% [(6) +E2/P (n = 201) = 82.7%.] Only in 37.8% (116 patients) all hormone levels were within normal limits during the early follicular phase (FP); if the patients with signs of CLI are added, the percentage would be only 17.8% (n = 53). Case analysis demonstrated that functional sterility was accompanied by hyperprolactaemia in 32.4% of all patients, by abnormalities of the thyroid function (hypothyroidism 16.0%, hyperthyroidism 7.8%) in 23.8%, by hypothalamic and/or pituitary dysfunction in 28.7%, and by hyperandrogenaemia in 22.5%. Primary ovarian insufficiency was diagnosed in 4.6%. 31.3% of all patients (n = 307) had a combination of different hormonal abnormalities. The average duration of infertility among this group of patients was 6.3 years.(ABSTRACT TRUNCATED AT 400 WORDS)
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