Engorgement can happen once your mature milk comes in and can last for a few days or more.  When your mature milk comes in you begin producing much larger quantities of milk than you were when producing colostrum.  In addition to the extra milk your breasts also fill with extra blood and fluids to help in the milk production process.  Usually this occurs two to five days after your baby is born.  This engorgement will last while your body regulates your milk production, adjusting your supply to fit the demands of your baby – this could take a few days or weeks.  If you are not breast feeding this period can be particularly uncomfortable…