Sex is rare among very young teenagers, but common in the later teenage years.
About 1 in 6 teenage women practicing contraception combine two methods, primarily the condom and another method. 12 Teenagers are less likely than older women to practice contraception without interruption over the course of a year, and more likely to practice contraception sporadically or not at all. 16 Teens have higher rates of gonorrhea than do sexually active men and women aged 20-44. PID can lead to infertility and ectopic pregnancy. There were about 274,000 abortions among teens in 1996.