Breast health: what’s normal and what changes to look out for

Breasts come in all shapes and sizes. One may be larger than the other, a different shape to the other or you may have an inverted (pulled in) nipple or nipples.

Breasts can also change a great deal throughout life at different ages and life stages. Breasts can even change over the course of your menstrual cycle, feeling different on day 1 compared to day 14.

When it comes to breast health, the important thing to learn is what’s normal for you. We spoke to Jean Hailes specialist Dr Sonia Davison to learn what breast changes are to be expected throughout life and when you should seek advice from a health professional.

Normal breast changes during life

From adolescence through to menopause, your breast tissue is influenced by hormones. When your hormone levels fluctuate – for example, due to your menstrual cycle, becoming pregnant or breastfeeding – this can cause your breasts to look or feel different.

“Many women find their breasts become tender and lumpy just before their period, and the pain or tenderness goes away when their period is over,” says Dr Davison. “This pattern or cycle of change is very common and quite normal.

“It’s also normal for breasts to feel lumpy generally. This is referred to as fibrocystic breast condition, where the lumps are non-cancerous and can occur in one or both breasts. Fibrocystic breast condition is very common and thought to affect more than 60% of women.

“However, any new lump or change in the breast needs to be properly assessed, so if you notice a change it is recommended that you see your doctor for further assessment.”

Breastfeeding can bring very obvious changes to your breasts. Any issues such as mastitis (breast/nipple infection), cracked nipples or latching pain that are affecting your ability to feed, your health or the health or your baby should be discussed with your maternal health nurse or doctor.

In the perimenopausal years, when women transition from regular periods to their final period (menopause), women often experience increased breast tenderness or discomfort because of the changes in hormone levels, says Dr Davison.

“After menopause, breast tissue is largely replaced by fatty tissue,” she says. “This change can alter the feel of your breasts and they often become softer, less dense and with less structure.”

Get to know your breasts

Dr Davison urges all women to get to know their own breasts. “It’s important to become familiar with the normal look and feel of your breasts,” she says. “That way you will learn what is normal for you and if any changes outside of ‘your normal’ have occurred.”

If you experience or notice any of these signs, see your doctor:

  • a new lump or lumpiness in your breast or armpit
  • thickening or swelling of part of your breast
  • irritation or dimpling of your breast skin
  • redness or flaky skin in your nipple area or your breast
  • pulling in of your nipple or pain in your nipple area
  • unexpected nipple discharge
  • any change in the size or the shape of your breast
  • an unusual pain in any area of your breast

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