How long would an std have to be in your body to make you infertile?

Hard to say: I know of no way they could collect such data. In chlamydia or gonorrhea (the main infertility germs) women may have no symptoms for a prolonged period & not know they are infected or who infected them. The germs must move up into the sensitive tissue of the Fallopian tubes & nest there, before producing scarring. The more time the germ has to grow the more likely it will cause damage.

STDs: Unfortunately we don't have the answer. It is probably a very short time, measured inlays or weeks only. Some invasive bacteria, especially chlamydia, are very common in both young men and women and are easily acquired during sex. These bacteria can set up an inflammatory, but silent, infection in the tubes which results in tubal scarring and infertility. Condoms (sorry) are your best initial prot