So my last period was April 17th and i ended the 23rd of April. So i am suppose to start on the 17th of May, & I haven't. I am on nuvaring also. I do the 29 day cycle for my Nuvaring. I put it in April 4th, and took it out on the first of May and replaced it with a new one immetially as whats told... So yeah im two weeks late. should i freak out or no??? I NEEDED TO START THE 17TH OF THIS MONTH.