Treasury regulations (26 C.F.R.)--commonly referred to as Federal tax regulations-- pick up where the Internal Revenue Code (IRC) leaves off by providing the official interpretation of the IRC by the U.S. Department of the Treasury.
No. Pregnant women are not eligible to donate blood according to the American Red Cross, which also advises waiting at least six weeks after giving birth. Although the amount of blood in your body increases by about 50 percent during pregnancy, you and your growing baby need it for optimum health and nutrition.
If you are otherwise eligible to donate blood, you can donate whole blood every 56 days for males and every 84 days for females. In between your Canadian Blood Services donations, there should be at least one week between an outpatient phlebotomy and your next donation.