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Could you pass a high school sex-ed quiz? Take this “Knowledge Check” from our Sex Ed To-Go course about correctly using a condom to find out. Then tell all your friends about Sex Ed To-Go, our free online sex education courses for educators, students, and parents. Each course for students on our portal – from STIs to gender identity to puberty – also comes in Spanish and comes with a parallel course for educators, complete with a teaching guide and supporting materials needed to teach comprehensive sex ed.

Answer the following questions, true or false. Then check your answers below. 

1.   It’s more important to use condoms during vaginal sex than anal sex.

2.   Condoms reduce the risk of getting pregnant and reduce the risk of getting an STI.

3.   The expiration date is a guideline and you can use a condom a few days after it expires.

4.   A pouch of air in the condom when still in its wrapper means that it has not been punctured and is okay to use.

5.   It’s a good idea to store condoms in your wallet or the console of a car so they are handy.

6.   You can put a condom on a penis either way as long as it still rolls down.

7.   It is important to remove the condom promptly after ejaculation in order to prevent fluid from leaking out.

8.   You should never flush used condoms down the toilet.

Answers                                                                                                                             ­­­­­­­­­­­

  1. FALSE. While a condom can prevent pregnancy during vaginal sex, it is important to use a condom during all types of sex where an STI might be transmitted: vaginal, anal, AND oral.
  2. TRUE.  If you use condoms perfectly every single time you have sex, they’re 98% effective at preventing pregnancy and most STIs. But people aren’t perfect, so in real life condoms are about 85% effective — that means about 15 out of 100 people who use condoms as their only birth control method will get pregnant each year.
  3. FALSE. It is important to throw away condoms that have expired.
  4. TRUE. Always squeeze the wrapper before opening to check for an air bubble. If there is no bubble, use a different condom.
  5. PARTIALLY TRUE. It is important to have condoms available when and where a person might need them. However, exposure to sun and heat (common in a car) can cause condoms to crack or break. And wallets often get a lot of wear and tear, so condoms might get torn or broken.
  6. FALSE. Condoms must go on like a hat with a brim so they easily roll down. If you accidentally try to put a condom on inside-out, do not flip it over and try again. Dispose of that condom and use a fresh one because bacteria, virus, or sperm may have been transferred to the condom.
  7. TRUE.
  8. FACT. Flushing used condoms down the toilet can cause plumbing issues.


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