female body??

Okay so my last period in awhile was march 4th it was 5 days normal period, I didn't have one until oct 25 it to was 5 days the cramps were worse than normal,  well I started today ,and about 3 weeks ago my left boob started this discharge at first it was clear and over the couple of weeks it has turn from clear/cloudy to white  and my breast are really sore all day everyday,,, but only have it from the left breast has anyone ever had this happen