How does pregnancy reduce risk of breast cancer?

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What role does pregnancy play in breast cancer risk?

During pregnancy, breast cells grow rapidly. If there is any genetic damage in the breast cells, it gets copied as the cells grow. This increased genetic damage in the cells can lead to breast cancer. And, the chance of having such genetic damage goes up with age.

Is breast cancer more likely after pregnancy?

However, researchers say the overall risk remains low and the odds even out after 20 years. Women who have recently given birth may have an increased risk of developing breast cancer.

Which type of breast cancer is most commonly seen in pregnancy?

(See “Gestational breast cancer: Treatment”.) Breast cancer is one of the most common cancers in nonpregnant and pregnant women [1].

How can you prevent the risk of breast cancer?

To lower your risk:

  1. Limit alcohol. The more alcohol you drink, the greater your risk of developing breast cancer. …
  2. Maintain a healthy weight. If your weight is healthy, work to maintain that weight. …
  3. Be physically active. …
  4. Breast-feed. …
  5. Limit postmenopausal hormone therapy.
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Is breast cancer common during breastfeeding?

While it’s very rare, a small percentage of women do develop breast cancer while they are breastfeeding. Lactating breasts are often lumpy and bumpy due to normal breast fullness, and occasional plugged ducts.

Can pregnancy bring on breast cancer?

The risk of developing breast cancer rises with a woman’s age. Being pregnant doesn’t cause breast cancer, but if you already have some breast cancer cells, the hormonal changes of pregnancy may cause them to grow.

Are lumps in breast common after pregnancy?

Your breasts go through a lot of changes during and after pregnancy. Many of the changes that happen during pregnancy are caused by hormones and happen to prepare the breasts for breastfeeding. Lumps in the breast can occur during this time.

What happens if a woman with cancer gets pregnant?

Often, a pregnant person with cancer has the same outlook as a person with cancer who isn’t pregnant. Typically, being pregnant while having cancer shouldn’t affect your overall outlook. If a cancer isn’t found early because of pregnancy or you choose to delay treatment, this may affect your outlook.

Does pregnancy make cancer grow faster?

Pregnancy doesn’t raise your odds for cancer. And it doesn’t usually make cancer grow faster. Most women who have cancer, or have survived it, can give birth to healthy babies. But some cancer treatments aren’t safe for your baby.