Question

rn Copper ions-releasing IUDs are more efficient than non-medicated methods. Why? rn

Answer 1

Because copper is toxic to sperms and can kill the sperms. Also it forces fallopian tubes and uterus to release WBCs , copper ions , prostaglandins,etc. which is also a very harmful combination for sperms and kill sperms easily by acting as spermicide.

Hope this helps you.