A mole that is assymetric, with edges that are blurry or jagged, changes in the color of a mole (including darkening, spread of color, loss of color, or the appearance of multiple colors) , size larger than 1/4 inch in diameter, and raised above the skin and has an
uneven surface usually warrants a consultation with a doctor for further evaluation.
With your history of increased in size and changes in color, it is best to see your doctor to rule out such causes. Take care and keep us posted.