Teenage sexual activity, in America is an issue of widespread national concern. Ironically, one question that rings in the mind of a teenager is when to have sex. Our Catholic teachings, does teach that sexual intercourse outside of marriage is contrary to its purpose. Apart from the church, now public schools are also preaching the advantages of abstinence. Even then, premarital sex is growing and becoming an important issue. Sexually transmitted diseases, teen pregnancy, and emotions of regret are usually caused by having premarital sex.