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BACKGROUND Menstruation is associated with a striking increase in matrix metalloproteinase (MMP) activity. However, it is still unknown whether the level of MMP activity correlates with the amount of menstrual bleeding. METHODS We used histochemistry to investigate the degradation of the extracellular matrix (ECM), and immunohistochemical labelling and(More)
Endometrial hyperplasias can be divided into two categories based on the presence or absence of cytological atypia and further classified as simple or complex according to the extent of architectural abnormalities. They are usually diagnosed because of irregular bleeding in perimenopause. Hysteroscopy with a biopsy gives a more accurate diagnosis than(More)
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