Identify the characteristics of IUDs. (i) Increase phagocytosis of sperms. (ii) Releases Cu ions that suppress sperm motility and fertilising capacity of sperms. (iii) Make the uterus unsuitable for implantation. (iv) Make the cervix hostile to sperms. (v) Prevent semen from entering the female reproductive tract.

• A. (i), (ii), (iii), (iv) and (v)
• B. (i), (ii), (iii) and (iv)
• C. (i) and( ii)
• D. (ii),(iii) and (iv)