A faint positive pregnancy test result could indicate that you are pregnant, although further testing may be needed to confirm this. It is possible to have variations in the intensity of the test line due to factors such as the concentration of hCG hormone in your urine or the sensitivity of the test itself. If you received a negative result from a lab urine test, it is advisable to consult with your healthcare provider for further evaluation. Early signs such as fatigue, abdominal pain, and weight gain can be associated with pregnancy, but they can also have other causes. The visibility of your stomach at 6 weeks may vary depending on factors like body type and muscle tone. If you have concerns about these symptoms or changes in your body, it is best to seek medical advice for an accurate diagnosis and appropriate guidance regarding your specific situation.