From vaginal dryness to recurring UTIs, lower estrogen can affect more than many women realize. Women’s health expert and Antha founder Dr. Natalie Barnett explains what’s going on and what may help.
Menopause gets plenty of attention these days, especially when it comes to hot flashes, sleep problems, brain fog and mood shifts. But one important aspect is still talked about far less: the effect declining estrogen can have on vaginal and urinary health.
If you’ve noticed more frequent bathroom trips, vaginal dryness, discomfort during intimacy or repeated urinary tract infections, you are not alone. And these issues are not something you necessarily have to simply accept as part of aging.
I recently spoke with my friend Dr. Natalie Barnett, PhD, founder and CEO of Antha, a women’s health company working to make evidence-based vaginal estrogen treatment more accessible. With a background in quantitative and molecular genetics and years of clinical research experience, Natalie brings a scientific perspective to a topic that deserves far more attention.
We discussed what happens in the body during menopause, why vaginal estrogen is drawing more interest, and what women should understand before considering treatment.
What Changes Happen to Vaginal Health During Menopause?
Estrogen does more than regulate the menstrual cycle. It also helps maintain the health of the vagina, vulva, urethra and bladder.
As estrogen declines during perimenopause and menopause, these tissues can become thinner, drier and less elastic. Blood flow drops, and the vaginal environment changes in ways that can make irritation and urinary problems more likely.
“Estrogen does a lot of quiet work below the belt,” Natalie says.
One especially important shift involves the vaginal microbiome. Estrogen helps support beneficial bacteria called lactobacilli, which help keep the vagina naturally acidic. When estrogen levels fall, those bacteria may decrease and vaginal pH can rise, which may make it easier for bacteria linked to urinary tract infections to thrive.
These changes have a medical name: genitourinary syndrome of menopause, or GSM.
What Is Genitourinary Syndrome of Menopause?
GSM refers to the vaginal, vulvar and urinary symptoms associated with declining estrogen. Research suggests that at least half of postmenopausal women experience symptoms, though many never bring them up with a healthcare provider.
Some symptoms are well known, while others are easy to miss.
Common symptoms of GSM include:
- Vaginal dryness and less natural lubrication
- Burning, itching or irritation
- Pain or discomfort during intimacy
- Frequent or urgent urination
- Recurrent urinary tract infections
- UTI-like symptoms even when tests are negative
- Light spotting or small tears after intimacy
That last group matters a great deal. Many women do not realize that urinary urgency, repeated UTIs or ongoing irritation may be connected to hormonal changes.
Instead of treating each symptom separately, recognizing GSM can help women have more productive conversations with their healthcare providers.
Of course, these symptoms can have other causes too. Ongoing discomfort, urinary symptoms or vaginal bleeding should be evaluated medically rather than assumed to be caused by menopause.
Can Vaginal Estrogen Help With UTIs and Frequent Urination?
This is one of the strongest reasons to learn about vaginal estrogen.
Low-dose vaginal estrogen acts directly on estrogen-sensitive tissues in and around the vagina. By improving tissue health and supporting a healthier vaginal microbiome, it may lower the risk of recurrent urinary tract infections in peri- and postmenopausal women.
In fact, the American Urological Association recommends offering vaginal estrogen to appropriate peri- and postmenopausal women who have recurrent UTIs, in order to reduce the chance of future infections.
What about the frustrating feeling of always needing to use the bathroom?
Natalie notes that vaginal estrogen may also improve urinary urgency and frequency for some women, although the evidence is stronger for preventing recurrent UTIs.
Nighttime bathroom trips are more complicated because sleep, fluid intake, medications and other health conditions can all play a part.
For some women, a combination of vaginal estrogen and pelvic floor physical therapy may be especially useful. The estrogen helps address tissue changes, while physical therapy focuses on muscle function and coordination.
Vaginal Estrogen vs. Hormone Therapy: What’s the Difference?
One common point of confusion is the difference between vaginal estrogen and systemic menopausal hormone therapy, often called HRT or MHT.
Systemic hormone therapy, delivered through patches, pills, gels or sprays, circulates throughout the body. It is commonly used to treat symptoms such as hot flashes and night sweats and, for the right patients, can help prevent bone loss.
Low-dose vaginal estrogen works differently. It delivers estrogen locally, mainly targeting vaginal and nearby tissues, with relatively little entering the bloodstream.
That means vaginal estrogen can help with dryness, irritation and certain urinary symptoms, but it is not meant to treat hot flashes or other whole-body menopause symptoms.
And many women do not realize this: taking systemic hormone therapy does not necessarily remove the need for vaginal estrogen.
Some women who use HRT still have vaginal dryness or urinary discomfort. In those cases, a clinician may recommend adding a local vaginal treatment.
Is Vaginal Estrogen Safe?
For many women, safety is the biggest concern.
Estrogen has been the subject of confusing and sometimes frightening headlines for decades. But it is important to separate low-dose vaginal estrogen from systemic hormone therapy because their absorption, benefits and risk profiles are different.
Low-dose vaginal estrogen generally leads to minimal systemic absorption, and professional medical guidelines support its use for appropriate women with GSM symptoms.
Even so, treatment decisions should always take personal medical history into account.
Women with a history of breast cancer or other estrogen-sensitive cancers should discuss treatment with their healthcare team. This is especially important for women taking aromatase inhibitors.
Anyone with unexplained vaginal bleeding should be evaluated before starting treatment. Bleeding after menopause should always be brought to a healthcare provider’s attention.
The bottom line: vaginal estrogen has an established place in menopause care, but the right choice is a personalized medical decision.
How Long Does Vaginal Estrogen Take to Work?
Do not expect results overnight.
According to Natalie, some women notice improvement in dryness, burning or irritation within a few weeks. More meaningful tissue changes and better comfort during intimacy may take longer.
Many women need about two to three months of consistent treatment to experience the fuller benefits.
Urinary changes, especially fewer recurrent UTIs, may take longer to assess because they are measured over time.
Consistency matters. GSM is generally a chronic condition, which means symptoms can return if treatment stops.
A healthcare provider can help decide whether ongoing maintenance treatment makes sense.
Vaginal Estrogen Cream vs. Tablets: Which Is Better?
Vaginal estrogen comes in several forms, including creams and vaginal tablets or inserts. Both deliver low doses of estrogen directly to the affected tissues, but they differ in how they are used and how convenient they feel.
Vaginal Estrogen Cream
Cream can be applied inside the vagina and, when prescribed for that purpose, to external areas such as the vulva and vaginal opening.
This flexibility can be especially helpful for women who have external irritation or discomfort along with internal vaginal dryness.
Vaginal Estrogen Tablets
Vaginal tablets or inserts are placed inside the vagina and offer a convenient, low-mess option.
They are designed to deliver estrogen directly to vaginal tissue, which may appeal to women who want a simple maintenance routine.
Neither option is always better than the other. The best choice depends on symptoms, personal preference and medical guidance. Some patients may be prescribed more than one form, but combining products should only happen under a clinician’s direction.
How Often Is Vaginal Estrogen Used?
Treatment schedules depend on the specific product and prescription.
Some forms begin with more frequent use for a short time, often daily for around two weeks, followed by a maintenance schedule such as twice weekly.
Other products have different directions.
Because estrogen-related tissue changes can continue after menopause, some women stay on treatment long term with periodic medical review.
The key is finding a routine that is effective, comfortable and realistic.
Meet Antha: Making Vaginal Estrogen Easier to Access
For Natalie, the science behind vaginal estrogen was only part of the reason she launched Antha.
The other issue was access.
Women often feel uncomfortable raising vaginal or urinary symptoms, have trouble finding providers who understand GSM, or struggle to keep up treatment once they have a prescription.
Antha was created to make that process simpler.
Through Antha.health, women can complete an online medical evaluation with a licensed physician to see whether vaginal estrogen may be appropriate for them.
The company offers a 0.01% estradiol cream and a 10 mcg estradiol vaginal tablet, along with discreet medication delivery and text access to a physician.
Natalie says the founding team was motivated by personal experiences navigating barriers to vaginal estrogen treatment.
Her aim is to pair accessible care with clear, evidence-based education so women can make informed decisions about their health.
The Bottom Line: Menopause Care Should Include Vaginal and Urinary Health
We have made real progress in speaking more openly about menopause, but vaginal and urinary health still tend to be left out.
That needs to change.
Vaginal dryness, discomfort during intimacy, urinary urgency and recurrent UTIs can significantly affect daily life. Women deserve to know that effective treatment options exist and that these symptoms are worth discussing with a qualified healthcare provider.
What stands out about Natalie’s approach is her commitment to making the science understandable and helping women feel more comfortable seeking care.
Whether you are moving through perimenopause, well into menopause or simply exploring your options, understanding estrogen’s role in vaginal and urinary health is a smart place to begin.
Learn more about vaginal estrogen treatment and Antha’s approach to women’s healthcare at Antha.health.
About the Expert
Dr. Natalie Barnett, PhD, is the founder and CEO of Antha, a women’s health company focused on expanding access to evidence-based vaginal estrogen treatment. She holds a PhD in quantitative and molecular genetics and has extensive experience leading clinical research at healthcare technology companies.
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