Respiratory & infectious disease

At-Home Group B Strep Swab Test (Vaginal & Rectal)

An at-home self-collect swab kit for Group B Streptococcus (GBS) detection. Use two blue gel Amies swabs to collect vaginal and rectal samples, then send them back in the prepaid envelope for microbiology analysis. Part of our range of reliable home blood testing kits and at-home blood tests.

£

55.00

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  • Fast turnaround test results
  • Results shared electronically via secure SMS
  • Easy sample collection
Turnaround time: 3-5 days
Sample type: Two blue gel Amies swabs for self-collected vaginal and rectal samples

What do we test for?

Group B Streptococcus (GBS)

Detects presence of Group B Streptococcus bacteria in vaginal and rectal samples. GBS colonisation can pose a risk of infection to newborns during childbirth, so early detection helps guide preventive treatment.

How will this help you?

What is a Group B Strep Test?

Group B Streptococcus (GBS) is a type of bacteria commonly found in the digestive and reproductive tracts. In pregnant women, GBS can be passed to a baby during delivery, potentially leading to serious infections. Our at-home swab test kit lets you test for Group B Strep at home without a clinic visit.

What’s included in your home testing kit

Who should use this at-home test

How to collect your swab sample

Although this is not a blood test, it sits alongside our range of at-home blood tests and blood test kits—offering a complete home testing kit solution for your health monitoring needs.

Frequently asked questions

Can pregnant women use the at-home Group B Strep test?

Yes. Our at-home Group B Strep test is suitable for pregnant women seeking early screening before labour. Always discuss results with your GP to determine if treatment is needed.

How accurate is the Group B Strep home swab kit?

Our home swab kit for Group B Strep is over 95% accurate when instructions are followed correctly. The dual vaginal and rectal sampling method maximises detection of GBS colonisation.

How do I collect vaginal and rectal swabs for GBS testing?

1. Wash your hands thoroughly. 2. Use the first blue gel Amies swab to collect a sample from the vaginal canal. 3. Use the second swab for the rectal sample. 4. Place both swabs into the transport tubes. 5. Seal and return in the prepaid envelope.

What is a Group B Strep swab test at home?

A Group B Strep swab test at home allows you to collect vaginal and rectal samples yourself using our easy-to-use blue gel Amies swab kit. You then send the samples back to our laboratory in the prepaid return pack for microbiology analysis and get a clear report.

When should I test for Group B Strep at home?

We recommend testing between 35–37 weeks of pregnancy or if you have symptoms such as unusual discharge or discomfort. You can also perform the test earlier if advised by your GP.

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How Mayfield's home blood testing works

1
Order Your Home Blood Test Kit Online

Get started by choosing the right at-home blood test kit for your needs — whether it's for cholesterol, thyroid, vitamin levels, or general health screening. Your kit is delivered in discreet, secure packaging.

2
Collect Your Sample at Home

Using our easy-to-follow instructions, collect a small blood sample with the included lancet and tube. No need for a clinic visit — everything you need for accurate testing is in the kit.

3
Send It to Our Accredited Lab

Place your sample in the prepaid return envelope and post it to our certified partner lab. Our labs follow the highest standards to ensure fast, reliable blood analysis.

4
Get Your Results by Text, Fast

You’ll receive a text message with your results as soon as they’re ready — usually within 1–3 days. A full lab report is included, giving you a clear breakdown of your blood test findings. Need help understanding your results? You can book a follow-up consultation with one of our clinicians at any time.

Learn more

Why Mayfield Clinic for home testing

Why Choose Mayfield Clinic for Your Group B Strep Test?

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