Your breasts change along with the rest of your body throughout pregnancy, preparing to manufacture and supply milk for your baby. Your breasts will grow in size. They can be painful at times. It's possible that the colour of your nipples will change. It's all part of the experience of being pregnant. And if some of these changes are bothering you, remember that there are things you can do to make yourself feel better. Crusty nipples during pregnancy are pretty common. You see a lot of other things going on.The hormones estrogen and progesterone in your body are affected by pregnancy. Many of the changes you may see are caused by these hormones, which play a crucial role in preparing