1 out 100 exposures?
Mar 10, 2002
Hi Dr. Henry, Thanks for your quick response..but I need to know what you mean by "The general risk for HIV transmission from an infected woman to a man is less than 1 per intercourse (infection would occur less than 1 out of a hundred exposures)"--is the less then 1 each time you have sex till you ejaculate or is it each and every time the penis is inserted into the vagina referred to? and why is so low compared to male to female transmission? Thanks again and looking forward to your expert response.
Response from Dr. Henry
The risk for sexual transmission from an infected woman to a man is LESS than 1 transmission per 100 acts of insertive intercourse (with or without ejaculation). For many sexually transmitted diseases, the risk for man-to-woman transmission is less than woman-to-man partly due to the fact that the ejaculate remains inside the woman whereas most of the woman's body fluids are outside then man's penis.
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