Which of the following is the most sure-fire way to avoid STIs or unwanted pregnancies?

Name: Which of the following is the most sure-fire way to avoid STIs or unwanted pregnancies?
Brand: Quizplus
Rating: 4.9 (56 reviews)

Question

Quizplus · Accepted Answer

Abstinence is the only 100% effective way to avoid both STIs and unwanted pregnancies. While condom use and spermicidal foam can reduce the risk of transmission, they are not completely foolproof. Communicating with your partner about sex is important, but it does not provide complete protection against STIs or pregnancy.

Which of the Following Is the Most Sure-Fire Way to Avoid