There are many reasons for teen pregnancies. Read this article to learn about some of the issues teenagers face relating to sex, dating, and pregnancy. Get ideas on how to educate and help prevent early pregnancy in adolescents by learning the reasons for teen pregnancies. Fortunately, teen pregnancy has declined in the United States over the past few years. The Centers for Disease Control and Prevention reports teen pregnancy is at an historic low, but the reason isn't exactly clear. There are many reasons that teenagers become pregnant. Some of them want to have babies. However, the fact of the matter is that most teen pregnancies are .