Step 1.
Find out which changes a girl's body and a boy's body undergo during the teen years.
Step 2.
Find out more about how pregnancy happens and which contraceptive methods you can use to prevent pregnancy.
Step 3.
Here are some answers to questions you may be too shy to ask, as well as some questions to ask before saying yes to sex. Also find out more about how to say no to sex if you feel you're not ready, and what the big deal is about masturbation.
Step 4.
Still have questions about sex or sexual relationships? Why not post a question to Health24's teen health expert, our Cybershrink, or our sexologist?