I have been having camps in my lower abdomen from past 3 weeks . I missed my periods. I went for self test twice . It was negative . I went for blood beta hCG test it was 0.1 . Then I repeated it again a week later it increased to 1.30. So I consulted a doctor she told me to do ultra sound. Doctor told she does not find any signs of pregnancy. I have all the symptoms of pregnancy. Faintness,lower abdomen pain, frequently urines, shorten of breathing, can some 1 advice me what should be done plz.