This hormone does pass into the breast milk, and it may help to stimulate the production of red blood cells in the newborn. (verywellfamily.com)
Another benefit of testosterone is that it has been shown to increase the number of red blood cells in the body, which increases oxygen flow through the body, aiding endurance in athletes. (testofuel.com)
As iron is needed for the production of red blood cells in the bone marrow, many patients develop anemia. (sciencedaily.com)