Barrier methods prevent pregnancy by blocking sperm from reaching the egg. Which of the following is not an example of a barrier method?

Arrier methods include the diaphragm, cervical cap, male condom, and female condom and spermicidal foam, sponges, and film. Unlike other methods of birth control, barrier methods are used only when you have sexual intercourse. Be sure to read the instructions before using a barrier method. It is very important that you use a barrier method correctly every time you have sex. Hope this helps

A)30b)29c)28d)31hope this .