During the pre-donation health history screening, the red cross uses a questionnaire that is developed by the blood industrys professional organization, aabb, and approved by the fda to assess an individuals health history. Health history questions are based on past and current behavior risks (for example travel, medication, sexual activity, etc.). This list shows countries that had restrictions on blood donors. Most national standards require direct questioning regarding a mans sexual history, but the length of deferral varies. Gay and bisexual men are not automatically prevented from giving blood. However, all men must wait 3 months after having oral or anal sex with another man before donating. Blood banks are still unable to take blood from gay men who havent had sex in the past 3 months. blood donation guidelines for gay men were first implemented as the hivaids crisis unfolded in the 1980s and initially constituted a lifetime ban for gay men. Gay and bisexual men in the us had been subject to blanket bans on donating blood since aids devastated the lgbtq community in the 1980s, because of what health experts have called. Attorneys general from 19 states and the district of columbia are urging the federal government to change its policy on blood donations by gay and bisexual men, moving to guidelines based on. The guidance also asks people not to donate blood if theyve recently received a transfusion, and it asks women who have had recent sex with a bisexual or gay man to wait a year before donating. A lifetime blanket ban on blood donation for any man who had ever had sex with a man was introduced following a rise in hiv and hepatitis b cases in the 1970s and 1980s. Once it was realised that these conditions could be passed on through blood, it was crucial that those who were most at risk of contracting the viruses, including gay and bisexual men, were not able to pass them.