Iron-deficiency anemia: Iron is necessary for the body to make red blood cells. Low iron intake and loss of blood due to menstruation are the most common causes of iron-deficiency anemia. It may also be caused by blood loss from the GI tract because of ulcers or cancer.
What Is the Know:BRCA tool? The Know:BRCA online tool is a resource developed to help women understand their risks for having a BRCA1 or BRCA2 gene mutation. How the Know:BRCA Tool Works. The Know:BRCA tool estimates your chance of having a BRCA gene mutation based on your personal and family history of cancer. It looks at how many people in your family have had breast or ovarian cancer, how they are related to you, and how old they were when they got cancer.
The BRCA gene test is offered only to people who are likely to have an inherited mutation, based on personal or family history, or who have specific types of breast cancer. The BRCA gene test isn't routinely performed on women at average risk of breast and ovarian cancers. Having a BRCA gene mutation is uncommon.Inherited BRCA gene mutations are responsible for about 5 percent of breast cancers and about 10 to 15 percent of ovarian cancers.From a BRCA gene test, you learn whether you carry an inherited BRCA gene mutation and receive an estimate of your personal risk of breast cancer and ovarian cancer.aving a BRCA gene mutation is uncommon. Inherited BRCA gene mutations are responsible for about 5 percent of breast cancers and about 10 to 15 percent of ovarian cancers.