Q. 3 Copper ions-releasing IUDs are more efficient than non-medicated methods. Why?

Intra-Uterine Devices (IUDs) are inserted in the uterus Through vagina and are presently pr Available as the non-medicated IUDs, copper releasing (UDs and hormone-releasing IUDs Cu jons-releasing IUDs are more efficient methods because

(i) Cu ions released suppress sperm motility and fertilising capacity of sperms.

(i) increases phagocytosis of sperms within the uterus.

(ii) It is one of the safest, most effective, convenient and least expensive reversible contraceptives available.

(iv) It has no systemic effects and can be safely used by breastfeeding women.