Yes. It's normal. I don't think it's that common. It could be because of hormones. I think you should see your doctor just to talk about it.
It is normal for your breasts to get larger as you grow.
No, breasts don't grow uniformly at all and thus why women do not have even breasts. During puberty it's normal for breasts to grow independently of each other, with one being much bigger than the other, then the other growing to catch up, etc.
Why do some men want to grow breasts like women
Yes. As breasts grow, it is normal for them to be tender or a bit sore.
There's no link between orgasms and breasts ability to grow.
The breasts of chickens.
This all depends on your age. In women, breasts can grow until they are 18, sometimes older! If you are concerned you are pregnant, you will know because not only will your breasts get larger, but they will hurt tremendously!
Breasts grow a little all the time or they have growth spurts during a period of time. It differs between women. All that is sure is that it happens during puberty.
Its really genetics that determine bra size. Weight does have some effect, but usually there is a limit to how large the breasts will grow even with additional weight gain. If the women in your family have large breasts, it is likely that you will as well. It really isn't a matter of what is "normal" for your age as much as being normal for your family.
It can. While breasts are developing and growing, they can be tender and sore, and that is perfectly normal.
Yes, all women have once breast larger than the other and many have a considerable difference.Human beings are not perfectly symmetrical and breast development doesn't occur in both breasts at the same time. Teens may notice one breast will grow a lot more before the other or that they breasts will almost take turns to grow. There are various factors that can effect if breasts are different sizes, another common cause aside from development is lopsided breast feeding.
Yes, it is normal to see vatiation in your breast size throughout your entire menstrual cycles but especially around ovulation and menstruation. The breasts are not growing or shrinking, the ducts in the breasts are swelling due to the effect of hormones on the breasts.