Has anyone ever.....

Does anyone know of or heard of someone who had their AF and were getting negative tests but ended up being pregnant? I really don't feel right this month. I am so tired and Nauseous all day. I can not eat or drink much with out wanting to be sick. I am getting headaches and stomach cramps and my breasts have been itchy. My Doctor refuses to do blood tests for pregnancy. Nothing is showing on other health checks.