Does IUD Prevent Fertilization Or Implantation?

Does IUD Prevent Fertilization Or Implantation? Does IUD prevent fertilization or implantation? progesterone IUD Can IUD prevent pregnancy after fertilization? Copper IUDs prevent pregnancy by disrupting the process of conception, which is when the male sperm and the female egg come together to form a fertilized zygote. Conception can only occur after a woman’s body