A. During fertile days, if a married couple decide not to have a child yet, then they should practice safe sex. What are the common methods of contraception available to couples?

B. Based on your understanding, which type of birth control device or method is best used for safe sex to prevent the spread of STI or sexually transmitted infection? Why?

C. What is abstinence? How does it help in birth control and preventing the spread of STI? ​