I roto i te 2011, te UK (haunga Ireland Te Tai Tokerau) whakaiti i tona rāhuitanga taupoki i runga i MSM kaiwhiwhi ki te rāhuitanga narrower e anake ārai MSM i te tuku toto, ki te kua i te sex ki ētahi atu tangata i roto i te tau kua hipa. i hanga he huringa rite i roto i te US i roto i te mutunga o 2015 e te FDA. e kore e autologous kaiwhiwhi e tonu tirohia mō te haumaru kaiwhiwhi raruraru mai i te mea ko te kaiwhiwhi te tangata anake e ka riro i te toto. Mai i te hoatu toto ki te wahine hapu ranei o te wahine o te tau whanau, kaiwhiwhi tango teratogenic (whakaheke mate) e pā ana ki te whakawhitinga HIV. E deferred enei rongoā. I roto i te United Kingdom (haunga Ireland Te Tai Tokerau) whakaiti i tona rāhuitanga taupoki i runga i MSM kaiwhiwhi ki te rāhuitanga narrower e anake ārai MSM i te tuku toto ki te mea i whai ratou i te sex ki ētahi atu tangata i roto i te tau kua hipa.
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