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.
1 Apheresis platelet donation â you must wait 14 days between donations. 2  Athletics â you should avoid strenuous activities for at least three to five hours after donating and no heavy lifting for rest of the day.  Blood transfusions â you must wait one year after receiving a blood transfusion before you can donate.