This book provides a complete course in human sexuality. It can also be used to supplement a family living course. Text content provides current information for teaching high school students about sexuality issues. The text offers basic information on growth and development, sexual development, pregnancy, and birth. It explains the sexual decision making process and discusses the outcomes and risks of sexual activity. The approach of the text challenges students to consider responsibilities and outcomes of their decisions while recognizing their concerns regarding sexuality. There are 12 chapters. Part 1, Sexual Development and Human Reproduction, includes: (1) The Teen Years: Growth and Change; (2) Your Reproductive System; and (3) Conception, Pregnancy, and Birth. Part 2, Relationships and Sexual Responsibility, offers: (4) Your Relationships; (5) Responsible Sexual Behavior; and (6) Family Planning Options. Part 3, Sexual Relations: Outcomes and Risks, includes: (7) Teen Pregnancy; (8) Teen Parenting; (9) Considering Adoption; (10) Miscarriage and Termination of Pregnancy; (11) Sexually Transmitted Diseases; and (12) Sexual Exploitation. A glossary of terms is included. (SM)