answered question 7/21/2010 I'm 15 And Haven't Started My Period Yet. I'm Worried I Won't Start. My Mom Started When She Was 12 And All My Friends Have Started. Is This Normal And Is It That Everyone Is Different? Like What If I Never Start? I'm fifteen too and also worrying. But does anyone know if weight effects it? I'm pretty small...only 105 lbs...is weight a contributing factor?
