If you've been treated for an initial chlamydia infection, you should be retested in about three months. Reinfection by an untreated or undertreated partner is common. The chlamydia test uses a sample of urine or vaginal fluid you can collect yourself. Experts recommend that all sexually active women under age 25 be tested for chlamydia infection.

Women under age 25 who are sexually active.

Or, women over 30 could have a Pap test alone every three years or an HPV test alone every three years. After age 30, experts recommend women have an HPV test and a Pap test every five years. Cervical cancer is often caused by certain strains of HPV.Įxperts recommend that women have a Pap test every three years starting at age 21. The Pap test screens for changes in the cells of the cervix, including inflammation, precancerous changes and cancer. Hepatitis B screening is suggested at each pregnancy for everyone. Gonorrhea and hepatitis C screening tests are recommended at least once during pregnancy for women at high risk of these infections. All pregnant women will generally be screened for HIV, hepatitis B, chlamydia and syphilis at their first prenatal visit. Guidelines also recommend hepatitis C screening for all adults. National guidelines recommend hepatitis B screening for people age 18 and older at least once, and with a test that includes a few different markers of the virus. Experts recommend that people at high risk have an HIV test every year. Screening with a blood or saliva test for human immunodeficiency virus (HIV), the virus that causes AIDS, is suggested for everyone ages 15 to 65. Or it can be based on factors such as if a person has a history of STIs.

The risk level may change when a person is in a new setting with a higher risk, such as a prison or jail. But when a person's risk for getting an STI changes, screening is suggested.

Most of the time, STI screening is not a routine part of health care. Testing for a disease in someone who doesn't have symptoms is called screening. If you have open genital sores, your doctor may test fluid and samples from the sores to diagnose the type of infection. Some STIs can be confirmed with a urine sample. Blood tests can confirm the diagnosis of HIV or later stages of syphilis. Laboratory tests can identify the cause and detect coinfections you might also have. If your sexual history and current signs and symptoms suggest that you have a sexually transmitted disease (STD) or a sexually transmitted infection (STI), your doctor will do a physical or pelvic exam to look for signs of infection, such as a rash, warts or discharge.

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