mechanical barriers

Cards (5)

  • Mechanical barriers 
    Prevent sperm from reaching the egg 
  • Condom 
    Very thin latex rubber rolled on to erect penis 
    Effective in preventing sperm entering vagina (97%)
    • If is doesn't slip or tear 
    Provides protection against STI
  • Diaphragm 
    Thin rubber cap that fits across top of vagina 

    Normally used with spermicide 
    Left in for at least 6 hours after intercourse 

    93% effective 

    Correct size must be prescribed by doctor
  • Cervical cap
    Similar to, but smaller than diaphragm 
    Fits over cervix

    Should be used with spermicide 
    Left in for at least 6 hours 
  • Female condom 
    Lubricated polyurethane sheath that lines vagina
    At each end is a flexible ring
    • One is closed and fits over cervix 
    • Other sits over fold of skin that surrounds entrance to vagina 
    Effective (95%)

    Protects against STI