Any ideas ??

So about two weeks ago I had strange spotting was never red , just brown . As soon as the spotting ended I started having tons of CM , thick and lotiony. We'll then on Friday my boobs got extreamly sore and still are. I had blood work done a week ago   and it came back negative. My back has been hurting and I've been extreamly sleepy .. I slept until 12 today then DH came home from work early and caught me (oops) lol maybe I'm fixing to start my period ?? But I just had what resembled a light period two weeks ago !!!  Except it was extreamly light !!!