Hey I was using Nurstrate for 4 year I stopped last year July I then got my periods August 2011 till Decemeber 'like constantly', then from January they were normal until March. April I didn't get my periods then I went to see gynaecologist there was nothing only hormones , June 2012 no periods I bought home tests last week Friday the 13July 2012 they were negative I'm still waiting for my periods and my breast is in pain... please assist