Kink Talk – What does Window Period mean?
Window Period
The window period is the time between a possible exposure to an infection and the point when a test can reliably detect it, so earlier tests may give false negatives.
What does Window Period mean?
The window period is the time between a possible exposure to an infection and the moment a test can reliably pick it up. During this window you may already be infected and able to pass the infection on, while a test still comes back negative. It exists because tests look for either the pathogen itself or the antibodies your body makes against it, and both need time to reach detectable levels. Each infection and each type of test has its own window.
How long is the window period for STIs?
Roughly: chlamydia and gonorrhea can usually be detected about 2 weeks after exposure. For HIV, a lab test is considered reliable after 6 weeks, a rapid or self-test after 12 weeks. Syphilis can take 6 weeks to 3 months to show in a blood test. Hepatitis C can take up to 3 months or longer. Herpes has no reliable routine screening test without symptoms. Exact times depend on the test, so ask where you get tested.
What should you do during the window period?
Use condoms or avoid sex that could pass on an infection until you have a reliable result. If you get tested early, plan a second test once the window has closed. After a real HIV risk, don’t wait for the window: PEP can prevent infection, but it has to start as soon as possible, ideally within a few hours and no later than 72 hours. Go to an HIV clinic or emergency department straight away.