Gynaecology & Obstetrics Contraceptives 1e0aa181 In CuT 200, '200' stands for: A Effective for 200 weeks B Surface area of copper in sq.mm C Weight in milligrams D Amount of copper released in mcg per day High-Yield Explanation In CuT 200, the '200' expression means that the copper poion has an exposed surface area of 200 sq.mm.