What about nipple discharge is it serious?

Nipple discharge: Bilateral nipple discharge-while breastfeeding- is quite normal, obviously.Any other discharge that is different-needs to be seen and diagnosed by a physician knowlegeable in breast diseases. Five-nine% of discharges are cancerous while that is quite small, early diagnosis of cancer can be life-saving.A physician isn't able to "look" at a discharge or secretion and see that it is benign.Biopsy.

Dischargev.Secretion: Discharge is a pathologic process caused by a tumor or inflammation within a duct; secretion is a physiologic process. Discharge tends to occur spontaneously, from one duct orifice& is clear or bloody; secretion is elicited, milky-green, &bilateral. ~10% of discharge may be secondary to cancer, although this # goes down if mammogram and exam are normal. Pap smear of fluid or duct excision helpful.