Breast Swelling | Definition & Patient Education
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What causes breast swelling? 7 possible conditions

Breasts are made up of four main tissue structures: fat tissue, glands, milk ducts, and connective tissue. The fat (or adipose) tissue in particular is subject to fluctuations in fluid volume, which can cause breast swelling. This occurrence can cause sore... Read more

See a list of possible causes in order from the most common to the least.

1

Pregnancy

Bleeding or spotting, increased need to urinate, tender breasts, fatigue, nausea, and missed period are signs of pregnancy.

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2

Teenage Pregnancy

Teenage pregnancy is pregnancy in a woman 19 years of age or younger. A woman can get pregnant if she has vaginal sex with a man at any age after she has started having regular monthly periods. Some signs of pregnanc...

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3

Fibrocystic Breast Disease

Fibrocystic breast disease, commonly called fibrocystic breasts or fibrocystic change, is a benign condition in which a woman has painful lumps in her breasts.

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4

Fibroadenoma

Finding a lump in your breast can be a scary experience, but not all lumps and tumors are cancerous. One type of benign (non-cancerous) tumor is called a fibroadenoma . While not life-threatening, a fibroadenoma ma...

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5

Breast Cancer Overview

Breast cancer is the second most common type of cancer in women (after skin cancer), and can affect a number of different parts of the breasts.

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6

Breast Infection

Breast infections are most common among women who are breastfeeding, when the nipples become cracked and sore, allowing bacteria from a baby's mouth to enter the breast.

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7

Intraductal Papilloma

An intraductal papilloma is a noncancerous breast tumor that forms in a milk duct. Learn about intraductal papilloma symptoms, treatment, and prevention.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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