Tmi ladies!!!!

Im feeling like af coming like she going to show her ugly face I have a 35 to 39 day cycle and im 14dpo. I was supposed to receive my cycle but all I've been having for the week is milky discharge and my nipples been stinging lol lower back aches and cramping I've took a test 2 days ago negative... but that's not my problem its the milky discharge that got me like ....I came on my cycle but its nothing but that instead anyone experience this before.