What is the DUTCH Test?
What Is the DUTCH Test?
If you’ve spent any time researching hormone testing, you may have come across something called the DUTCH test.
DUTCH stands for Dried Urine Test for Comprehensive Hormones. It is a specialty hormone test that measures hormones and hormone metabolites using urine samples collected at specific times throughout the day.
I’ve used DUTCH testing in my practice for years, and it can provide useful information in the right situation.
But one important point often gets lost online:
Not everyone with hormone symptoms needs a DUTCH test.
Like any laboratory test, I think it is most useful when we have a specific clinical question we are trying to answer.
What does the DUTCH test measure?
Depending on the specific panel ordered, DUTCH testing can provide information about hormones such as:
Estrogen and estrogen metabolites
Progesterone metabolites
Testosterone and androgen metabolites
DHEA
Cortisol and cortisone
Some versions also evaluate the pattern of cortisol production throughout the day.
One of the biggest differences between DUTCH testing and a standard blood test is that DUTCH can give us information about how certain hormones are being metabolized, rather than only measuring the amount circulating in the blood at one moment.
That additional information can sometimes be helpful — but more data does not automatically mean better care.
DUTCH testing vs. blood testing
I use both conventional blood testing and specialty hormone testing in my practice.
They answer somewhat different questions.
Blood testing can be very useful for evaluating things like:
Thyroid function
Testosterone
Estradiol
FSH and other reproductive hormones
Blood sugar and insulin
Cholesterol
Nutrient status
Many other markers that can contribute to hormone-related symptoms
DUTCH testing may give us additional information about hormone metabolites and daily cortisol patterns.
I don't consider one type of testing universally "better" than the other.
The question is:
What information do we actually need in order to make a better decision about your care?
Sometimes blood testing is enough.
Sometimes DUTCH adds useful information.
And sometimes hormone testing isn't the most important testing to do at all.
Do you need a DUTCH test for perimenopause?
Usually, not simply to determine whether you are in perimenopause.
Hormone levels can fluctuate significantly during the menopause transition, sometimes even from day to day.
For many women in their 40s with characteristic symptoms and changes in their menstrual cycles, perimenopause can often be identified based on the clinical history rather than requiring an advanced hormone panel.
That doesn't mean hormone testing is never helpful.
Testing can become more useful when symptoms are unusual, the diagnosis is unclear, treatment isn't working as expected, or we are trying to answer a more specific question.
I may also recommend laboratory testing to look for conditions that can mimic or worsen perimenopause symptoms, such as thyroid dysfunction, iron deficiency or metabolic changes.
When might I consider DUTCH testing?
I may consider DUTCH testing when I want more information about hormone metabolism or cortisol patterns, or when a patient has a more complicated hormonal picture.
Examples might include:
Complex or persistent hormone-related symptoms
Significant PMS or cyclical symptoms
Questions about estrogen metabolism
Symptoms that have not responded as expected to treatment
Situations where additional hormone data may meaningfully change the treatment plan
The key phrase there is meaningfully change the treatment plan.
I do not recommend specialty testing simply because more testing is available.
What about cortisol and “adrenal” testing?
DUTCH testing can also evaluate cortisol patterns across the day.
This can occasionally be useful, particularly when we are trying to understand circadian cortisol patterns.
But symptoms like fatigue, poor sleep, anxiety, feeling "wired and tired," or difficulty handling stress can have many causes.
Before attributing those symptoms to cortisol, I also want to think about sleep quality, thyroid function, iron status, nutrition, medications, metabolic health and other potential contributors.
That broader evaluation is an important part of how I practice naturopathic medicine.
Can DUTCH testing tell me exactly how much hormone replacement I need?
No.
This is an important distinction.
Hormone replacement therapy should not be prescribed solely according to a DUTCH test — or any single laboratory test.
When I consider bioidentical hormone replacement therapy, I look at the entire clinical picture:
Your symptoms
Medical and family history
Menstrual history and stage of life
Risk factors
Current medications
Laboratory results when appropriate
Your goals and preferences
How you respond to treatment over time
Laboratory data can help inform those decisions, but it is one piece of the puzzle.
My approach to hormone testing
I don't believe every woman needs the same hormone panel.
A woman with classic perimenopause symptoms may need a very different evaluation than someone with PCOS, irregular cycles, unexplained fatigue, abnormal bleeding or symptoms that don't fit the usual pattern.
My goal is to use testing strategically rather than simply ordering the largest panel available.
Sometimes that means DUTCH.
Sometimes that means conventional blood testing.
Often it means both laboratory data and a detailed clinical history.
And sometimes the most valuable test has nothing to do with estrogen or progesterone at all.
How I use DUTCH testing in my practice
For new patients, testing is selected based on your individual history and the questions we are trying to answer.
My Comprehensive Strategy Session includes an in-depth evaluation and appropriate laboratory testing so we can develop a personalized plan.
DUTCH testing is available as an additional option when I think the information it provides will be clinically useful.
For women who continue into one of my six-month care programs, additional testing may also be recommended over time depending on symptoms, treatment and goals.
The bottom line
The DUTCH test can be a valuable tool.
But it is exactly that: a tool.
It should not replace a thorough medical history, conventional laboratory testing when appropriate, or clinical judgment.
If you're experiencing symptoms such as irregular cycles, hot flashes, sleep disruption, brain fog, fatigue, anxiety, weight changes or low libido, the goal isn't simply to order the most comprehensive hormone panel.
The goal is to figure out why you feel the way you do and what information will actually help us build the right treatment plan.
If you'd like help figuring out what testing makes sense for you, you can schedule a complimentary Discovery Call or learn more about my Comprehensive Strategy Session.
— Dr. Katie Brussard, ND, FABNE
