Ok so I wanted to have the three month no period my doc told me to stay on Loestrin and just not take the sugar pills and continue taking it straight through for 3 packs at the end of my last one take the sugar ones and have a period...well the 4 sugar pills are done still no period this is the first time I'm going three months straight is it cause a lag cause I have cramping or do I need to get a prego test because I have unprotected sex everytime with my bf?? Please Help paranoid!