I used Fortel. It says you can test 5-7 days before AF is due. I tested on the day AF was due cos I was trying not to build my hopes up and by then I was like well, may as well find out now. DH wasn't home cos I wanted to be alone just in case it wasn't the result I wanted...so when he got home I told him to close his eyes and handed it to him...lol...he goes so what does this mean?? hehe.