take a test
No
Sounds to me like you are just having a period and are not pregnant.
no
Take a test
there is a lot of reasons like you are pregnant or you have a problem so go to your doctor and find out if your not pregnant
It's quite possible.
no.
no, if you havent had sex.
yes, as long as you havent gone through metapause
Heaps of female have one breast bigger or smaller than the other. Its very common. However if there is a huge difference i would get it checked out by a GP. Breast cancer usually doesnt change the size of your breasts
Stress, change of life styles, it could be a many of things.
Yes you could still be pregnant. Blood tests are more accurate, you should probably go do one of those