I am 25 years old,i dont have any relationship. i have my last month periods on 15th but it is almost 15 days i am not getting my periods. from last one day I have started taking meprate suggested bydoctor ,But still i am getting pain and i feel it will start.I want to know how meprate is helpful?And this thing happen to me first time so i am very much worried?I want to know is it normal in every women?Is it effect in future?