Question

5. What are the barrier methods that a woman can use? What should always be

used in combination with the diaphragm and cervical cap? Do all these types
of barrier methods prevent sexually transmitted infections, or STDs?

Answer 1

Barrier methods: female condom, Diaphragm and spermicide, cervical cap and spermicide, and contraceptive sponge

Use in combination with spermicide

They all do not prevent STI. I believe the only one the can prevent STI is the female condom.