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Each T-shaped plastic frame has approximately 176 mg copper wire on its vertical arm. In addition, each horizontal arm has approximately 66.5 mg copper sleeve. Total surface are of copper on the device is 380 mm2.
The copper-bearing IUD is a small, flexible plastic frame with copper sleeves or wire around it, and is being used as an effective method for family planning. The effectiveness of TCu 380A IUD lasts for 10 years.
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