first pregnancy appears to the accumulation of risk, obesity and certain types of breast cancer

In the age of first pregnancy appears to the accumulation of risk, obesity and certain types of breast cancer. A groundbreaking study by University of Wisconsin Medical School and public health leaders said they have children or no life along with obesity, causing the risk of breast cancer. In the conception and the link between age and breast cancer may be strong women who never had children or who waited until 30 or later have a child.

The study consists of about 1912 to 1986 women born in 50000, of which 29,000 were diagnosed with breast cancer. Those aged 30 or over, while the pregnancy first child or a child has never been reported in the elevation of 2.5% of lobular breast cancer. Breast cancer, is clearly the most common form of breast cancer, but the lobular and mixed ductal, lobular breast cancer cases in the 20th century, the rapid increase in 90 years and accounts for 20 percent of all breast cancer events.

"Our study found that children who never or was at or after 30 children had a three times greater development of lobular breast cancer risk in obese women. Has been strong evidence that obesity, sedentary lifestyle and alcohol use can in breast cancer risk factors. These are all risk factors, women can change, "highlighted the cancer center from the Polly Newcomb.



Since lobular breast cancer lobular breast where it started, it may be difficult to find a breast X-rays. Ductal carcinoma, on the other hand, began to pipe lining in a milk and more easy to detect. Authors suggest that postmenopausal hormone replacement and the risk of lobular breast cancer linked.

The study, published in the journal Cancer.