Before First Period Dear BeingGirl Experts, I am 13 years old and I have not yet gotten my period. I am scared for it to come on; meanwhile, I really want it to come on. Can you give me some advice. I have had my discharge for almost a year. Alyssa --- Dear Alyssa, There are a lot of things that have to happen with your body before you start menstruating. The vaginal discharge you mentioned is just one of the changes to expect. You will also notice breast development, hair under your arms and in your pubic area, along with a growth spurt as you body prepares for you period to start. Read the details on puberty and first menstruation on BeingGirl.com. If you feel "fear" about starting your period, learn more about what to expect by reading articles on Beinggirl.com—this information will help you understand what periods are like and take away the fear of the unknown. To help with this, there are details on puberty and first menstruation on BeingGirl.com. Remember mom is a great resource. Talk to her about starting your period. You may want to begin by asking her how she felt when she began her first period. Hope this is helpful, Your BeingGirl Experts Learn what to do before first period and get tips from the expert at BeingGirl.com.