Online Testing

Online Testing

Online Testing

Our home STI testing service is called This is provided by a company called Preventx.

Home testing kits are available to all Doncaster postcode residents. You order online and it will be sent to your home in discreet packaging.

Home STI testing kits are available to all Doncaster Postcode residents over the age of 18, regardless of gender or sexual preference.

If you are under 19, you can arrange a home testing kit online via the Project 3 website. These kits will test for Chlamydia and Gonorrhoea. If you need a blood test for Syphilis or HIV, you can have this done at the Project 3 clinic.

For all ages, if you need advice or want to discuss your testing needs before ordering, please call Reception on 01302 272165 | 0800 246 5390 and book a telephone appointment.

If you live in any other county, please contact your local sexual health clinic or search online for local testing services.

Please follow this link (we need the link from Preventx) to register for the service. Once you have registered, you will have an account where you can log in and order a kit. You will be asked some questions to determine the best tests for you.

If you are experiencing any issues ordering a kit, please call Preventx on 0333 344 4462 or email

When creating your account, please make sure you register with the correct details such as name, date of birth and address – otherwise we may have difficulty contacting you or performing an ID check if we need to speak with you about your results.

Once ordered, the kit will be delivered by Royal Mail and posted through your letterbox. It will be in discrete packaging.

Before ordering, you will be asked some questions to determine the best tests for you.

You may be offered a test for Chlamydia and Gonorrhoea . These are done via a urine sample, or swabs from the vagina, rectum or throat.

You may also be offered a blood test for Syphilis and HIV. This is done via a fingerprick blood test.

If you have had Syphilis in the past, you will not be able to test for it via home testing. You will need to have a blood test in clinic to determine if there is any new infection.

If you already know you are HIV positive, your blood sample will not be tested for HIV.

The kit will contain all the equipment and instructions you need. The equipment will vary depending on what infections you are testing for, and where you need to take the sample from.

  • Urine collection container for someone with a penis, or swab for someone who has a vagina
  • May also contain swabs for rectum and throat samples
  • May contain a finger prick blood test

If you need more information about taking the samples, please watch the instructional videos here: About Self-Sampling — SH.UK

Once you have done your tests, put it in the postbox and it will be sent back to the testing lab. Please make sure you fill out all required information such as the date you took the samples, otherwise the lab may not be able to process your tests.

Updates on my kit

For updates on the progress of your testing kit, please log in to your account

You will be able to see when your kit has arrived at the lab, and if it is in the process of being tested.

You will be texted telling you that you can log in to view your results once the processing is complete. Please make sure you keep your mobile number and email address up to date on your account if these change before you receive the results of your test.

If you have any infections or results which we need to speak to you about, our Health Advisors will contact you. Calls will come from our sexual health clinic number, or a withheld number. We may then need to call you after you have finished any treatment to follow up.