Lumps may appear in the breasts during early pregnancy, but the lumps may also be the result of a previous breast disease. In early pregnancy, under the stimulation of estrogen, the development and proliferation of breast follicles will lead to enlargement of the breast and the appearance of nodules, which will feel like a lump to the touch, and the breast will have a feeling of swelling. This is normal. The lumps usually have clear boundaries and do not continue to grow without other abnormalities. Before pregnancy, women with breast hyperplasia, breast fibroadenoma and other diseases, after pregnancy by the body’s hormone levels and changes, may aggravate the symptoms, feel the performance of hard lumps, in addition to the hard lumps will be accompanied by more obvious breast pain. Early pregnancy to observe the body discomfort, to go to the hospital to check to determine whether it is physiological reasons or pathologic diseases, in targeted to deal with.