What does it mean when the doctors says 2 cm and 30 percent effaced?

it mean that person not in the stage of disease which shows symptoms but he has organisms in body which cause disease. if the number of microorganism is increased 40 percent, it shows symptoms

OR, it could apply to the childbirth process. Basically how much the cervical opening has pulled back or thinned. But this is also tied to how much the cervix has dilated, or opened up to allow the child to be born. Fully dilated is 10 cm.