Question

The main reason for making Copper T most effective and popular Intra Uterine device in femail:

Answer 1

Intrauterine device (IUD) with copper also known as intrauterine coil, is a type of intrauterine device which contains copper.[3] It is used for birth control and emergency contraception within five days of unprotected sex.[3] It is one of the most effective forms of birth control with a one-year failure rate around 0.7%.[4] The device is placed in the uterus and lasts three to ten years.[3][1] It may be used by women of all ages regardless of whether or not they have had children.[5]Following removal, fertility quickly returns.

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Answer 2

bcoz it supress the activities of sperm
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