Hello, I have gone through your query and understood the concern. Home pregnancy tests read well 3-7 days after a missed period and when performed with a fresh early morning sample of urine. You have done the urine test way too early to know the proper result. At this stage, you can get an estimation of the serum beta-hCG tires for confirmation/exclusion of pregnancy. This is more sensitive and specific. Your symptoms are not specific for an early pregnancy alone. Please get a blood test and see a specialist if positive. If negative, you should suspect gastro-intestinal causes and get treated accordingly. Hope this helps.