By Lauren Mann of the National Campaign to Prevent Teen and Unplanned Pregnancy
The teens from this season of "16 and Pregnant" were all shocked to learn that they were expecting. Now, they're ready to use their experiences and educate others on what they've learned -- and do their part to help prevent unplanned pregnancies.
So... it's pop quiz time! Are birth control pills effective if you skip a few days? Is using two condoms at once better protection than using one? Do you need to be on birth control if you're not in a relationship? Powered by Bedsider.org, the test pitted the girls and their boyfriends (or, in one case, aunt!) against each other to show off their birth control smarts.
+ Think you can do better than they did? Check out the video and visit Bedsider.org to learn more about all the different methods available.