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[A clinical study on the comparison of the performance of stainless steel ring (SSR), uterine cavity-shaped device (UCD), MLCu250 and TCu220C].

Authors
Type
Published Article
Journal
Sheng zhi yu bi yun = Reproduction and contraception
Publication Date
Volume
8
Issue
4
Pages
7–10
Identifiers
PMID: 12342676
Source
Medline
Keywords
License
Unknown

Abstract

In Dafeng County, Jiangsu Province, 710 healthy peasant women, ages 22- 32, were randomly allocated to the use of several different IUDs for periods of 3-9 months postpartum. Although this single-blind study continued for 2 years, only 1 year's worth of data is presented in this paper. The total termination rate was lowest with the MLCu 250, followed by the UCD, and then the TCu220c. The UCD is an inert, stainless steel device which assumes an isosceles shape to conform to the uterine cavity. The SSR had the highest termination rate (see table 1). There was a significant difference between the total termination rates of the SSR and each of the other 3 IUDs, while no significant difference was seen between those of the 3 themselves. The removals due to bleeding and pain were much higher in the TCu220c than in the MLCu250. The results of this study seem dissimilar to those obtained in IUD trials carried out among housewives and office workers. Clearly, in women performing strenuous physical tasks, the straight and rigid transverse arms of the TCu220c may impose more stimulation on the uterine wall than the soft and curved arms of the MLCu250. (author's modified)

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