Which of the following is the only 100% effective method for avoiding sexually transmitted diseases and unintended pregnancy?

No sex at all :P

Condoms and surgerys can help prevent it at least 80% of the time, however not having sex at all is the only 100% way at avoiding it

Hope this helps ^^

Abstinence - not having sex at all

Explanation:

I don't know what your answer choices are, but this ^ is the only 100% foolproof method.

explanation:

eventually, the disease can cause permanent damage or deterioration of the nerves. some people with ms experience a gradual onset and steady risk factors.