Artificial feed: The mother breeds feed is one of optimal and natural measures that prevent breast cancer, lactation can make give birth to the danger of breast cancer to reduce 20% to 30% .

• 人工喂养：母乳喂养是预防乳腺癌的最佳天然手段之一，哺乳可使生乳腺癌的危险减少20%25至30%25。