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Group B Strep in Pregnancy: Symptoms, Testing, and Reassurance for UK Women

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What is Group B Strep and Why Test During Pregnancy?

Group B Streptococcus (GBS) is a common bacterium in the vagina or rectum, affecting up to 25% of UK women. While harmless for most adults, GBS can sometimes be passed to the baby during labour, occasionally leading to serious infections in newborns. Therefore, knowing your GBS status during pregnancy is key to a safe pregnancy journey.

What Symptoms Should Pregnant Women Look For?

Even without symptoms, carrying GBS during pregnancy can have implications. For more, see the NHS advice on Group B Strep in pregnancy.

How Does the At-Home Group B Strep Swab Test Work?

Mayfield Clinic offers a convenient home test kit designed for UK women. Using two self-collection blue gel Amies swabs, you collect both vaginal and rectal samples from the comfort of home—no appointments necessary. Post your samples to our accredited UK laboratory, and get fast, confidential results in 3-5 days.

What if You're Positive for GBS?

If you have further questions about your risk, consult with your healthcare provider or see trusted resources like the NHS Group B Strep page.

Take Action: Know Your GBS Status

Peace of mind is only a test away – buy your Mayfield Clinic home testing kit today and empower your prenatal care. Or, book an in-person test at one of our UK clinic locations.

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Frequently asked questions

What happens if my at-home test is positive for Group B Strep?

If you test positive for GBS, consult your GP or midwife—especially if you are pregnant—so that an appropriate plan can be put in place. Usually, oral antibiotics aren't given to carriers unless there's an infection, but antibiotics in labour are recommended if you're GBS positive and pregnant.

Can I clear Group B Strep with hygiene practices?

No, regular cleaning and personal hygiene practices cannot remove GBS. It's a naturally occurring bacterium that may come and go.

Who should consider a Group B Strep test?

Testing is especially recommended if you are pregnant, have had a previous baby with GBS, develop symptoms, or simply want peace of mind.

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

Self-collect vaginal and rectal swabs at home to test for Group B Strep.

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