I am having all the signs of pregnancy- sore breasts, datker nipples, heart burn, nausea, dizziness/faintness, weight gain- but still having my period and tests are coming up negative. My mom and aunt both had regular periods first 5 months of pregnancy. I feel like I just know I m pregnant but no doctor will see me without a positive test. I think I m about 11 or 12 weeks but tests are still negative and I don t know what to do. I want an ultrasound but again doctors tell me I need a positive test first. Help???