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Related Experiment Videos

Primary amenorrhoea: the ambiguous non-entity.

J Ginsburg, G Scadding, C W Havard

    British Medical Journal
    |July 2, 1977
    PubMed
    Summary
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    This study found no common hypothalamic-pituitary defect in women with primary amenorrhoea. Researchers suggest redefining primary amenorrhoea as a gonadal issue and secondary amenorrhoea as hypothalamic-pituitary dysfunction.

    Area of Science:

    • Reproductive Endocrinology
    • Neuroendocrinology

    Background:

    • Primary amenorrhoea affects women of reproductive age.
    • The underlying cause is often unclear, necessitating investigation into hypothalamic-pituitary function.

    Purpose of the Study:

    • To investigate hypothalamic-pituitary activity in women with primary amenorrhoea.
    • To determine if a common hypothalamic-pituitary defect explains the absence of menstruation.

    Main Methods:

    • Studied 20 women with primary amenorrhoea, excluding gonadal dysgenesis and Müllerian duct anomalies.
    • Assessed hypothalamic-pituitary activity through response to luteinising hormone-releasing hormone.
    • Investigated cases of hyperprolactinaemia and pituitary enlargement.

    Main Results:

    Related Experiment Videos

    • No specific or uniform response pattern to luteinising hormone-releasing hormone was observed.
    • No evidence of a common hypothalamic-pituitary defect was found to cause primary amenorrhoea.
    • Six women presented with hyperprolactinaemia, five with pituitary enlargement.

    Conclusions:

    • The distinction between primary and secondary amenorrhoea requires re-evaluation.
    • Primary amenorrhoea should be attributed to gonadal abnormalities.
    • Secondary amenorrhoea should be defined as resulting from hypothalamic-pituitary dysfunction.