Ellenlouise12

Hi hope someone can help me. I am 25 I have been of the pill for 5 months
I suffer from a little ibs and little low on b12. For the past 2 months I have been
Feeling sick most of the time then the last week by breast started to really hurt then on Sunday night 8 days before I was due I came on this is very strange for me as I am always 28 days it lasted for 3 days but it was bright red what could that be ? Also my breast are still a little sore but I am tied all the time and having pains in my stomach and just feel like crying today

Please if someone can help or suggest what's wrong that would be great just done a pregnant test and it was neg