I'm going insane here! I'm over 2 weeks late with my period. I've taken 2 different pregnancy test one on Saturday and one this morning (about 4 days apart) both were negative??? I'm very regular with my period. I have no known medical issues that would cause me to "miss" a period. What are best brand of pregnancy tests? I used the ones you find at the dollar (or 99€) stores. I've heard mixed feelings on those PG test. Some say they're fine and work just as good as any other PG test. Others have said they aren't reliable???