Hello and thank you for your posting.

Nipple changes are not a common sign of breast cancer.

Nipple discharge is very common.  This discharge of fluid from a normal breast is usually yellow, milky, or green in appearance, it does not happen spontaneously, and it can often be seen to be coming from more than one breast duct. Physiological nipple discharge is no cause for concern. Milky nipple discharge (either spontaneous or on expression) is also normal (physiological) during hormone changes, such as pregnancy and breast feeding. Nipple discharge diagnosed as ‘physiological discharge’ requires no treatment. It is important to stop expressing, or squeezing the nipple and breast, as this causes more fluid to be made. As in breast feeding, the breast will produce fluid to replace the fluid that is removed, and this will continue as long as the area is pressed. The discharge will usually stop when you stop expressing.

Nipple discharge that is spontaneous, blood-stained, persistent, and unrelated to pregnancy or breast feeding needs to be investigated further. 

Sometimes the breast ducts get blocked, and need to be unblocked by a straightforward procedure performed at a breast clinic.

If you have concerns then do speak with your GP who can advise further. 

I hope that this helps,

Best wishes,

Vanda