A. List any four characteristics of an ideal contraceptive.

B. Name two intrauterine contraceptive devices that affect the motility of sperms.

A. The four characteristics of an ideal contraceptive are:

i. It should be user friendly, it means it must be easy to use for both for male and female.

ii. It must provide protection against sexually transmitted diseases and HIV.

iii. It should not cause any side effects and should not interfere with sexual drive.

iv. It should be easily removed if the couple desire to have a child.

B. Copper T, copper 7, and Multiload 375 are some of the intrauterine contraceptive devices (IUCDs) that affect the motility of sperms during copulation.