Breastfeeding breast a large lump, but does not hurt can purulent

Breastfeeding breast a large lump but does not hurt is not suppuration, and specific circumstances, analysis is as follows:

if the breast appears lump is breast duct milk circulation is not smooth, leading to milk accumulation in the breast formation, and can dredge the breast in time, discharge milk, in addition to breast skin integrity, no bacteria invade the breast, generally do not cause suppuration.