it can be normal for a young woman. even with all of the signs of puberty and sexual maturation. not to have her first period until age 16 or so. as far as a medical explanation for this there are many so unfortunately i have no way of offering you the specific reason or reasons why you have not started your period. it is okay to see a women's health specialist but i suspect this medical provider would simply tell you to be patient. for now or they may run a few diagnostic tests. working in an adolescent medical facility for many years i can tell that not all 13 year old girls have experienced menarache (the first period).
why hasn't my period come yet? . i'm 13 and i want to know why my period hasn't come yet. i have all the signs. pubic hair arm pit hair cramps nausea and discharge for 2 years. i don't understand. will someone please explain?