Answer:
Female condo.ms.
Explanation:
The sexually transmitted disease can be transmitted through the sexual contact from an affected partner to the unaffected partner. The common  sexually transmitted disease are gonorrhea and syphilis.
These diseases can be prevented by the use of the condo.ms. The condom.s acts as mechanical barrier that prevent the infection and can also prevent the unwanted pregnancy as the semen or body fluid can not be transmitted from one partner to the next partner.
Thus, the correct answer is option (b).
