Pregnancy and Breast Cancer – 4
Narrator: This is NIH Health Matters. Delaying pregnancy places a woman at higher risk of breast cancer. Dr. Louise Brinton of the National Cancer Institute says hormonal changes that occur during pregnancy may contribute to that risk.
Dr. Brinton: We think that it may relate to the fact that you are experiencing cellular changes throughout your life and that if you wait until a late age to have a first birth, that the hormones that you’re exposed during a pregnancy can initiate those changed cells into a cancer.
Narrator: Dr. Brinton adds that other hormonal risk factors for breast cancer include an early age at first menstruation and late menopause. For more on breast cancer risk visit www.cancer.gov. Health Matters is produced by the National Institutes of Health, part of the U.S. Department of Health and Human Services.
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