hello dr my last period was on sept 4th for 3 weeks i have had mild frequent headaches ,nausea,cravings mainly for ice ,nausea,constipation,fatigue and that was the first two weeks then this saturday oct 3rd i got swollen breast and painful my veins are like really visible my areolas are dark and my nipples are extremely sensitive and i began my frequent urination that day i have been told that my body is warm like as im running a fever but im totally fine i dont feel sick i began to experience lower back pain on saturday on sunday oct 4th i felt extremely moody and i just felt that i got ran over by a truck when i woke up my first test that i took was on sept 28th came up negative then i waited till oct 2nd to take the second one that came up negative then i waited till oct 6th and its still negative im just confused how i have been going thru these symptoms and all three test are negative im not sure when a good time is and my period is not on a 28 day cycle it come when ever it feels like coming should i consider a blood test or is that to early ? and when should i test again by urine ?