If You Decide to Have a Sexual Relationship, or Relationships

If you decide to have a sexual relationship, or relationships, during college, what can you or your partner do to
a. prevent unwanted pregnancy?
b. avoid sexually transmitted diseases?
a. Methods of contraception include birth control pills, implants, intrauterine devices or IUD, diaphragms and cervical caps, condoms, contraceptive sponges, periodic abstinence, sterilization, and emergency contraception.
a. prevent unwanted pregnancy?
b. To avoid sexually transmitted diseases, know your partner well enough to discuss sexual histories, prevent the exchange of bodily fluids during all sex acts, use condoms, and be faithful to a single partner.
b. avoid sexually transmitted diseases?