
Dr. Krystal Thomas-White, PhD
Dr Thomas-White is a microbiologist specializing in the female urogenital microbiome and how it relates to health and disease. In under 10 years she has over 20 peer-reviewed articles that have been cited over 1000 times. Her research explores how alterations in both the bladder and vaginal microbiomes are associated with common disorders (like UTIs, bacterial vaginosis, and incontinence) and how the microbiome changes in response to hormones throughout life, particularly during prengnacy, and menopause. As senior scientist at Evvy she is excited to help bridge the gender health gap, and provide women with insight into a part of their bodies that has been too often overlooked.

The Link Between Menopause and Vaginal Itching
Discover why vaginal itching is common during menopause and learn effective ways to manage and relieve discomfort. Learn more.
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How is Evvy’s Care Different from What You’d Get at the Doctor?
Unlike the standard doctor’s visit, which often relies on limited testing and repeated antibiotic or antifungal prescriptions, Evvy uses advanced metagenomic sequencing to provide a complete picture of your vaginal microbiome, personalized treatment plans to restore balance, and ongoing support to help you stay symptom-free.

Who is Evvy's Expanded PCR Panel For?
Whether you're checking for sexually transmitted infections, antibiotic resistance, or just need faster results, Evvy's Expanded PCR Panel has you covered.

How to Treat Vaginal Irritation
Learn effective remedies and treatments for vaginal irritation, including over-the-counter solutions with Evvy, and when to consult a doctor for relief.

How to Fix Your pH Balance
A balanced vaginal pH helps protect against infections and keeps your reproductive system functioning as it should. Here's how to fix your vaginal pH.
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Peer-Reviewed Study Confirms Accuracy of Evvy’s Vaginal Microbiome Test
Evvy’s Vaginal Microbiome Test is the first to be peer-reviewed and validated by CLIA, CAP, and CLEP—advancing women’s health research and closing the gender health gap.

How to Stop Vaginal Burning: Tips for Relief and Prevention
Discover effective tips to relieve and prevent vaginal burning. Learn about common causes, practical solutions, and when to seek medical care.

Does Boric Acid Expire?
Learn about the shelf life of boric acid suppositories, how to store them, and why using them before their expiration date is crucial for safety.
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How to Use Boric Acid Suppositories
Learn how to safely and effectively use boric acid suppositories to treat vaginal infections like yeast infections or BV.
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Boric Acid Suppositories: Side Effects to Be Aware Of
Learn about the potential side effects of boric acid suppositories, their uses for vaginal health, and how to use them safely for issues like yeast infections and BV.

Does Boric Acid Help BV?
Learn how boric acid may help treat bacterial vaginosis (BV). Explore its safety, effectiveness, side effects, and its role in managing recurrent BV.
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Why Does My Underwear Smell Like Ammonia?
Healthy vaginal odor can range from musky or earthy, to tangy and ammonia-like. Learn more about why your underwear might smell like ammonia.
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Fact Check: Can Tampons Cause a UTI?
Explore the connection between tampon use and UTIs, including potential risks, causes, and tips for preventing infections during your period.
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Can You Get BV Treatment Over the Counter?
Learn more about how to treat BV, what options are available over the counter, and how to access treatment through Evvy's Clinical Care platform.
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Why Do I Keep Getting Yeast Infections Every Month?
Learn about the most common reasons for recurrent yeast infections, including hormonal fluctuations, sex, and douching, and ways to prevent them.
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Why Do I Have a Sharp Pain in My Vagina?
Here are 10 of the most common reasons why you may be experiencing sharp pain in your vagina — from infections to endometriosis.
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How Soon After Unprotected Sex Can I Test for STDs?
Learn how soon after unprotected sex you can test for STDs. Discover incubation periods, testing windows, and how to get tested.
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What Is Atopobium Vaginae?
Atopobium vaginae is a type of bacterium that lives in the vaginal microbiome. It doesn't always cause problems but can lead to bacterial vaginosis (BV).
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What Does Menopause Discharge Look Like?
Learn about the types, colors, and textures of menopause discharge, what’s normal, and when to consult a doctor for potential health concerns.

Is Gardnerella the Same as Gonorrhea?
Learn the differences between Gardnerella (bacterial vaginosis) and gonorrhea, including symptoms, causes, and treatments.

Where to Get an STI Test
Learn more about where to get an STI test. Plus, how to choose the best option for you based on cost, accessibility, comfort, and convenience.

What Is the Gender Health Gap?
Discover how the gender health gap affects women and people with vaginas today, and how Evvy is working to close the gap through better research and funding.

UTI vs Chlamydia: How to Tell Them Apart
Urinary tract infections (UTIs) and chlamydia are two common but different infections. Learn more about how to tell if you have a UTI vs chlamydia.
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What Does Chlamydia Discharge Smell Like?
Discover what chlamydia discharge smells like and learn how to identify signs of this common sexually transmitted infection.