Please help I'm desperate is this implantation bleeding ?

The last few weeks I've had everything between swollen and tender really hot boobs with bright blue visabel veins all over them and my nipple does be very erecte and I've also seen nipple colour change...I'm extremely bloated and my stomach is always hot and I can feel movement in my lower stomach and I also get cramping....back ache, peering all the time, eating a lot more, feel sick mostly at night and early morning between 4-6 in always tired and get bad headaches when I woke up today to pee I got the pic on the left below and then near 3-4 hours later it got darker but like a brown colour like the pic on the right its 3 days before my period is due can any one give me some advice I'm really confused ??