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Three sexually transmitted infections with no symptoms that can leave long lasting dangerous effects

here has been a seasonable peak observed in STIs during the late summer and early autumn - be aware as many of them have no symptoms and can be extremely dangerous

Nurse preparing to draw blood from a patient sitting on a chair in a clinic(Image: Getty Images)

Every year, sexually transmitted infections (STIs) peak during the late summer and early autumn, according to the National Library of Medicine.

There are hundreds of STIs out there but many of them present no symptoms, which could lead to people living with them for a long time.

Unfortunately, many can leave long lasting and dangerous effects if left untreated.

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In fact, some of the most common STIs can be symptomless.

Here’s everything you need to know and which ones to look out for.

Chlamydia

Chlamydia is one of the most common sexually transmitted infections (STIs) in the UK and Ireland.

It's passed on through unprotected sex (sex without a condom) and is particularly common in sexually active teenagers and young adults.