STD stands for Sexually Transmitted Disease (also referred to as STI or Sexually Transmitted Infection), and can be passed from person to person during sexual activity. The number of people contracting STDs is on the rise every year, especially among guys and girls under 25. If you've had unprotected sex (sex without a condom), it's best that you take a trip to the doctor and get an STD check-up. The BEST way to protect yourself from getting an STD is to use a condom at all times. And yes, you can get an STD from oral sex, so if you are sexually active, play if safe and be sure you use condoms. Your body will thank you for it!

It's a good idea to be clued up on STDs whether you're sexually active or not. Knowing your vagina when healthy is important so you can tell when things are not right. Some are just irritating and treatment is quick and easy, but others are much more serious and are not as curable.

Explore this site for a rundown on STDs to help you understand what each one is, how you get it and how it can be treated. The info is courtesy of Marie Stopes International, the sexual health experts.

The advice provided in this material is general in nature and is not intended as medical advice. If you need medical advice, please consult your health care professional.