However, because a corporation is not a real, or natural, person, someone must sign on the corporation's behalf. A stockholder does not have the automatic right to sign a corporation's contracts. The corporation must legally authorize the stockholder to sign on its behalf.
A miscarriage can be a common cause of brown to black vaginal bleeding. Not all the women realize that they are pregnant until there is an abnormally heavy bleed particularly consisting of large clots or the color varying from the normal period blood.
also one can be assured that the problem of black blood during periods is as common as the periods getting delayed or blood clots during periods so instead of getting alarmed at the slightest changes it is judicious to observe the changes over a period of time and then consult a good doctor if the need is felt