Hello, I am 18 years old and still have'nt gotten my period, I mean nothing at all! My sisters got theres at the age of 10 and 9 and 11 and 2 are younger then me and one is older! what is wrong with me?? Why am I super late? Is there any chance of me ever getting it? I have small mosquito bites and some pubic hair but not much... im still very under developed. its very hard to see your younger sisters fit into close better then you can and just grow infront of your eyes and appear different and more beautiful every single day, while you stay the same. and its also sad they know more about these things then me. Also, not developing has affected my personal life, I cant handle relationships because I am super uncofortable with my body.... help me please.