Rectal Use of N-9 Spermicides
Recent data indicate that N-9 may increase the risk for HIV transmission during vaginal intercourse. Although similar studies have not been conducted among men who use N-9 spermicide during anal intercourse with other men, N-9 can damage the cells lining the rectum, thus providing a portal of entry for HIV and other sexually transmissible agents. Therefore, N-9 should not be used as a microbicide or lubricant during anal intercourse.
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