Breast lumps can be a concerning discovery for any woman. While most breast lumps are benign, it is important to understand what the possible causes of a breast lump are.

Knowing the possibilities can help you make better decisions about your health and when to seek medical attention.

1. Fibrocystic Breasts

Fibrocystic breast condition is a common cause of breast lumps and is not associated with an increased risk of breast cancer. The condition occurs when the breast tissue becomes dense, lumpy, and tender.

The lumps can feel like cysts or fibrous tissue and can be painful to the touch. Fibrocystic breast condition is often linked with hormonal changes in the menstrual cycle. The lumps can appear and disappear over time.

2. Breast Cancer

Breast cancer is a serious cause of breast lumps but is not the most common one. While most breast lumps are not cancerous, it is important to get any lump checked by your doctor.

Breast cancer lumps are generally hard, irregularly shaped, and do not move when pressed gently. Other symptoms may include nipple discharge or inversion, skin thickening, or dimpling.

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3. Infection or Inflammation

Breast lumps can develop as a result of an infection or inflammation. Mastitis is a breast infection that can lead to lumps, pain, and swelling. It is most commonly seen in breastfeeding women, but can also occur in women who are not breastfeeding.

Another cause of breast inflammation is Mondor’s disease, which is a blood clot in one of the veins that lead to the breast.

4. Cysts

Cysts are common causes of breast lumps and are non-cancerous. They are fluid-filled sacs that can develop in the breast tissue. Cysts can be painful and may appear and disappear over time.

They often feel like lumps, especially before or during menstruation. Most cysts do not need treatment, but larger cysts may need to be drained by a healthcare provider.

5. Trauma

Lastly, breast lumps can develop as a result of trauma to the breast. Injuries to the breast can cause the formation of scar tissue or hematomas (blood clots) which can feel like lumps.

Trauma to the breast can occur from an accident, sports injury, or physical abuse. It is important to tell your healthcare provider if you have experienced any trauma to the breast and have developed a lump.