I had my period the 6th and had a one night stand the 13th late at night. The next day I took “Take Action” cause she said they were the same thing. So I was feeling fine and about 6 days after I got sick and feeling nauseous. I started spotting as well for a couple days. Now my stomach hurts so bad and cramping it feels like. Now I read that you have to be a certain weight for it to work? Is that true?