Men who have sex with men higher risk for suicide — almost three times higher, than other married individuals. A 2007 study reported that two large population surveys found "the majority of gay men had similar numbers of unprotected sexual partners annually as straight men and women." Among men who have anal sex with other men, anal sex without use of a condom is considered to be very risky behavior. A person who inserts their penis into an infected partner is at risk because sexually transmitted diseases (STDS/STIs) can enter through the urethra or through small cuts, abrasions, or open sores on the penis. Also, condoms
Men who have sex with men individuals who have compromised immune systems, especially HIV. Unprotected anal sex is a risk factor for formation of antisperm antibodies (ASA) in the recipient. In some people, ASA may cause autoimmune infertility. Many countries impose restrictions on donating blood for men who have or have had sex with men, as well as their female sexual partners—see the maps. Most national standards require direct questioning regarding a donor's sexual history, but the length of deferral varies. Men who have sex with men Men who have sex with men (MSM), also known as males who have sex with males, are male persons