Try cortizone lotion
No but it can just be dry skin. Try a better moisturizer. If you don't your skin will begin to tear, and trust me that's nothing to play with.
My breast itchy me belly bloated and heavy breast bra don't fit
This is not a sign of indication of pregnancy. The itching in pregnant ladies usually start when fetus grow in size and belly also starts to grow, usually in 2nd trimester. The only indication of pregnancy is missing of periods.