After period i've been having very sore tender breast and a lot of white milky discharge next period is due in seven days ?

Variety of symptoms: Breast tenderness around your menstrual cycle is not that uncommon. In teens it is usually caused by a condition called fibrocystic breast syndrome. Are your cycles regular? Are you on any contraception? White discharge can be normal. However, if it has a strange odor or you have excessive irritation, it could be a condition called bacterial vaginosis. Any abnormal vaginal discharge needs eval.