hi,my daughter is 8 weeks old.last week i had problem with my left breast-the doctors said that is mastitis and gave me some antibiotics.they aslo adviced me to express the milk with pump.i do it now but how often shell i do it because i stumulate more and more milk.by the way i got enough. i feel my breasts tired and sore.is it normal.they have been very cracked and sore for about 1 month.thanks