Teens aren't lax about safe sex. Of sexually active teens, almost 86 percent of girls and 93 percent of boys use birth control. Condoms are especially popular, used by 52 percent of girls and almost 75 percent of boys who'd had sex in the last three months. That's up from 2002, when 71 percent of boys said they used a condom during their first time having sex. Back in 1988, only 55 percent of boys did.
As far as other methods go - roughly 30 percent used the pill, and the rest used hormonal or other methods.