1992
DOI: 10.1007/bf01849754
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A randomized comparative trial of the MLCu375, TCu220C, Steel Ring and Uterine Cavity-Shaped IUDs

Abstract: The Stainless Steel Ring, Uterine Cavity-Shaped Device, TCu220C and MLCu375 IUDs were evaluated in a randomized trial of 1536 women in Guangdong Province, China. The first-year continuation and expulsion rates were significantly lower (p less than 0.05) for the latter 3 IUDs than for the Stainless Steel Ring. The first year pregnancy rates for the MLCu375 (0.76 per 100 women) and TCu220C (1.2 per 100 women) were significantly lower (p less than 0.05) than those of the other two devices (6.1 and 4.1 per 100 wom… Show more

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Cited by 11 publications
(1 citation statement)
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“…The first-year continuation and expulsion rates were significantly lower (p<0.05) for the latter 3 IUDs than for the stainless steel ring. The first year pregnancy rates for the MLCu375 (0.76 per 100 women) and TCu220c (1.2 per 100 women) were significantly lower (p < 0.05) than those of the other two devices (6.1 and 4.1 per 100 women) [21].…”
Section: A Survey Of Chinese Ippl Studiesmentioning
confidence: 98%
“…The first-year continuation and expulsion rates were significantly lower (p<0.05) for the latter 3 IUDs than for the stainless steel ring. The first year pregnancy rates for the MLCu375 (0.76 per 100 women) and TCu220c (1.2 per 100 women) were significantly lower (p < 0.05) than those of the other two devices (6.1 and 4.1 per 100 women) [21].…”
Section: A Survey Of Chinese Ippl Studiesmentioning
confidence: 98%