Lawmakers Approve Plan To Increase Dental Insurance Value In 2020, the FDA again adjusted the abstention window to 90 days. The FDA subsequently revised its policy in 2015 to allow gay and bisexual men to donate blood if they had abstained from sex with other men for a year. Gay men have been barred from donating blood since the 1980s, because of fears over HIV and AIDS. Massachusetts Medical Society and Fenway Health have partnered to press the federal government to adopt an enhanced screening process for blood donation, instead of excluding men who have sex with men. The state’s leading advocacy group for doctors and a Boston-based health care center are urging the US Food and Drug Administration to further ease restrictions on blood donations by gay and bisexual men, calling the practice both discriminatory and problematic amid a national blood shortage. State Physicians Urge FDA To Ease Restrictions On Blood Donation By Gay, Bisexual Men The state's leading advocacy group for physicians says scientific advances that have improved blood screening - and the ongoing national blood shortage - should not be ignored. Gay men can donate only if they have abstained from sex with other men for 90 days, according to a revised 2020 policy. FDA Must Allow All Gay Men To Donate Blood, Massachusetts Doctors Say