Question

the main reason for making copper t most effective and popular intra uterine device in female

Answer 1

because it is believed as the best method of contraception. in case of chemical methods that involves usage of vaginal and oral pills, sometimes these don't work accordingly due to problems like hormonal imbalance etc but copper t is a device that is placed inside the uterus by surgical method by doctors n this prevents the implantation of the embryo in the walls of uterus , hence preventing pregnancy