Pregnancy and breast cancer risk Overall, having children means your risk of breast cancer is lowered in the long term. Dr. Navid Mootabar is chair of obstetrics and gynecology at Northern Westchester Hospital in Mt Kisco, NY. WebMD does not provide medical advice, diagnosis or treatment. Evaluation of the association between mammographic density and the risk of breast cancer using Quantra software and the BI-RADS classification. Risk Factors of Breast Cancer in Hadramout Valley and Desert, Yemen. Pregnancy loss was not associated with later cancer development among women with various cancer types-including breast, ovarian, endometrial, cervical, bladder, renal, lung, gastrointestinal, brain, hematological, melanoma, and all-type cancer-except non-melanoma skin cancer, according to findings published in EClinicalMedicine. 2019 Oct 9;10:161. doi: 10.4103/ijpvm.IJPVM_251_17. Women who have their first child at age 35 or younger tend to get an overall protective benefit from pregnancy. "It's well known that having a full-term pregnancy reduces a woman's risk of developing endometrial cancer, but our research has shown that not only … Breast Cancer Cells in Microgravity: New Aspects for Cancer Research. HHS Men whose mothers took DES while pregnant should inform their physician of their exposure and be examined periodically. Each additional pregnancy a woman experiences, including those that result in miscarriage, can help reduce her risk of developing endometrial cancer, new QIMR Berghofer research has found. A risk factor is anything that can increase your chance of developing a disease or condition. cancer risk and serves as a molecular biomarker of differen-tiation for evaluating the potential use of chemopreventive agents. Relationship Between Pregnancy and Breast Cancer Risk. Clipboard, Search History, and several other advanced features are temporarily unavailable. 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