One breast bigger than other, am i pregnant?

Asymetric breast : Size is not a pregnancy indicator. Take a pregnancy test if you have missed your period. Early pregnancy sxs can include: lack of period, breast swelling ; tenderness with darkened areolas, fatigue, increased urination frequency, constipation, bloating, heartburn, backache, cramping, headache, food cravings or aversions, increased sense of smell, enlarged waist, feeling faint/dizzy, mood swings, etc.