• Define and use correctly the keywords printed in bold.
• Describe the types of barrier contraceptives.
• Describe the mechanism of action, use, effectiveness, advantages and disadvantages of the male condom. 
• Explain the use, advantages and disadvantages of the female condom. 
• Discuss the use, advantages and disadvantages of using diaphragms.
• Describe the mechanism of action, effectiveness and advantages of spermicides.