• Cases of chlamydia, gonorrhea, and syphilis hit record highs in the US in 2017, according to preliminary data released Tuesday by the Centers for Disease Control and Prevention (CDC).
• Between 2013 and 2017, gonorrhea increased by 67%, syphilis increased by 76%, and chlamydia remained the most common condition reported to the CDC.
• Some STDs may not cause symptoms and may be spread by people who don't know they're infected.
• Using condoms, being monogamous, reducing your number of sex partners, or abstaining from sex can reduce your risk of getting an STD.
• Regular testing is important for catching infections.

Chlamydia, gonorrhea, and syphilis often go untreated

Gonorrhea is getting harder to treat

You can protect yourself by having safe sex

Regular STD tests can catch infections

• Everyone from age 13 to 64 should be tested at least once for HIV. People who have unsafe sex or share injection drug equipment should get tested at least once yearly.
• Women younger than 25 (and older women with certain risk factors) should get tested for chlamydia and gonorrhea once a year.
• All sexually active gay, bisexual, or other men who have sex with men should get tested for syphilis, chlamydia, and gonorrhea at least once a year. MSM with multiple or anonymous partners should be tested more frequently.
• All pregnant women should get tested for Syphilis, HIV, and hepatitis B.

SEE ALSO: A man in the UK has contracted the first ever case of untreatable 'super-gonorrhea' — here's what you need to know about it

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