In honour of World Contraception Day today, here are some facts you need to know.
Of the 208 million pregnancies that occurred worldwide in 2008, it's estimated that a massive 41% were unintended.
If you are having sex regularly and don't use contraception you have an 85% chance of being pregnant within one year.
The largest proportion of sexually transmitted infections is thought to occur in people younger than 25 years of age.
36% of teenagers in a recent multi-national survey reported having unprotected sex.
You can get pregnant the first time you have sex; just before or after your period, and if your partner withdraws before ejaculating.