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.
Avoiding Fats. Avoid dietary fats the morning of donation and the day before. A high-fat diet just before donation increases the amount of lipids, or fats, in your blood. A donated blood sample high in lipids can't be tested for the presence of infections that could harm a recipient, the American Red Cross explains. Lipemic samples will be rejected.