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 BRCA Gene Testing? BRCA gene testing, also known as BRACAnalysis, is a blood test that helps evaluate a personâs risk for developing certain types of breast cancer. The test evaluates two genes, BRCA1 and BRCA2, called breast cancer susceptibility genes.
What does the BRCA test entail? The test for BRCA mutations is done on a blood sample collected by needle from a vein in the arm. Your blood is drawn in a laboratory, doctor's office, hospital, or clinic. The sample taken is then sent to a laboratory for testing (in the United States, a laboratory at Myriad Genetics.) Back to Top.