Corrosion of filamentous intra-uterine copper. The MLCu250 and the MLCu375.

Abstract

Although the effective life span of an IUD provided with filamentous copper is, calculated on the basis of the rate of dissolution of copper, several years, corrosion may lead to breakage of the wire after a shorter period of use. When copper wire with a diameter of 0.20 to 0.25 mm is used, the proportion of IUDs with broken wires increases with time after… (More)

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