Early pregnancy tests work by binding the hCG hormone, from either blood or urine, to an antibody and an indicator. The antibody will only bind to hCG; other hormones will not give a positive test result. The usual indicator is a pigment molecule, present in a line across a home pregnancy urine test.
Gas and bloating is a sign that food is not being digested correctly by the body. An inadequate intake of water will cause excessive stomach bloating. Water benefits the body by aiding with digestion because it supports a majority of the body's daily functions.
Another cause of a bloated stomach is flatulence which means you may have a lot of gas in your tummy. Flatulence is common. You can pass gas for 15 times a day and this is still all normal. There is no such thing as excessive flatulence. If your stomach is bloated, there are ways you can reduce the symptom. For one, you can limit intake of beans, apples, prunes, broccoli and cabbage and other foods high in non-absorbable carbohydrates. These foods release a small amount of sulfur gas in the tummy.