Chapter Six Considering your Reproductive Choices quiz clues ✔ Know three factors in determining if you are ready to have a child ✔ Know what is the percentage of adults who cannot get pregnant ✔ Know two barrier methods of contraception ✔ Know two surgical methods of contraception ✔ Know the two only proven contraceptive methods that protect you against STD’s and STI’s ✔ Know how long, on average, the number of years a women is fertile ✔ Know two precautions women should use when trying to become pregnant or carrying their unborn child ✔ Know two methods of alternatives childbirth ✔ Know what are two causes of infertility in men or women