How to Use Functional Lab Testing (DUTCH, GI MAP, HTMA) to Create a Fertility Plan — Composed Nutrition | Hormone, PCOS, Fertility Nutrition | Registered Dietitian Nutritionist (2025)

How to Use Functional Lab Testing (DUTCH, GI MAP, HTMA) to Create a Fertility Plan

Whether you're planning to conceive and want to confirm everything is in balance or you've been trying for a few months and want deeper insights before hitting the one-year mark (because your doctor won’t see you until then), functional lab testing can provide clarity.

Many women rely on basic lab work, but standard tests often miss key factors like hormone metabolism, gut health, and mineral balance, which all play a crucial role in fertility. By identifying potential imbalances early, you can take proactive steps to optimize your body for conception.

By using functional testing like the DUTCH test, GI MAP, and HTMA, you can create a personalized fertility plan that supports ovulation, implantation, and overall reproductive health. Let’s break down what each test can reveal and how it fits into your fertility journey.

Here are the functional lab tests to help create your fertility plan:

1. The DUTCH Test: In-Depth Hormone Testing for Fertility

Standard blood tests often give a single snapshot of your hormone levels, but fertility relies on hormone balance throughout your entire cycle. The DUTCH test (Dried Urine Test for Comprehensive Hormones) provides a more complete picture of your reproductive hormones and stress response.

What the DUTCH Test Reveals for Fertility:

Correcting hormonal imbalances—including low progesterone and high cortisol—is crucial for a healthy, successful pregnancy.

How to Use DUTCH Test Results in Your Fertility Plan:

  • If low progesterone is detected → Focus on luteal phase support with nutrition, herbs, and lifestyle changes.

  • If high stress/cortisol is an issue → Implement stress reduction strategies like adaptogens, better sleep, and blood sugar balance.

  • If estrogen is dominant → Support liver detoxification to improve estrogen clearance.

If you’re struggling with irregular cycles, unexplained infertility, or hormone-related symptoms, the DUTCH test can provide clarity. It's included in my Advanced Fertility Labs Package ➡️

2️⃣ GI MAP: The Gut-Fertility Connection

Your gut health directly impacts your fertility through inflammation, nutrient absorption, and hormone metabolism. The GI MAP (Gut Microbial Assay Plus) test assesses gut bacteria, infections, and markers of inflammation that could be affecting your reproductive health.

What the GI MAP Test Reveals for Fertility:

  • H. Pylori or Gut Infections → Chronic infections can increase systemic inflammation, making conception harder.

  • Beta-Glucuronidase (Estrogen Detox Marker) → High levels can lead to estrogen dominance and luteal phase issues.

  • Dysbiosis (Imbalanced Gut Bacteria) → Affects immune function and progesterone metabolism.

  • Leaky Gut & Inflammation Markers → Chronic inflammation can impact egg quality and implantation success.

Gut health influences estrogen metabolism, inflammation, and overall fertility outcomes.

How to Use GI MAP Results in Your Fertility Plan:

  • If gut inflammation is present → Focus on gut-healing foods, probiotics, and digestive support.

  • If high beta-glucuronidase is detected → Improve estrogen detox with fiber, liver support, and cruciferous vegetables.

  • If dysbiosis is present → Target bad bacteria while replenishing beneficial microbes.

If you experience bloating, food sensitivities, or estrogen dominance symptoms, the GI MAP test can provide missing fertility insights. It's included in my Advanced Fertility Labs Package ➡️

3. HTMA: The Role of Minerals in Fertility

Minerals are crucial for hormone production, egg quality, and ovulation. The HTMA (Hair Tissue Mineral Analysis) test looks at long-term mineral trends that standard bloodwork often misses.

What the HTMA Test Reveals for Fertility:

  • Magnesium & Potassium Levels → Support progesterone production and stress resilience.

  • Copper & Zinc Balance → Essential for healthy estrogen metabolism and ovulation.

  • Sodium & Calcium Ratios → Influence adrenal health and hormone signaling.

  • Heavy Metal Toxicity → High levels of mercury, aluminum, or lead can interfere with fertility.

Mineral imbalances—especially in magnesium, zinc, and copper—have been linked to ovulatory dysfunction and implantation issues.

How to Use HTMA Results in Your Fertility Plan:

  • If low magnesium & potassium → Support adrenal health with electrolytes & stress management.

  • If high copper & low zinc → Balance levels to improve hormone function and egg quality.

  • If heavy metals are present → Detox support may be needed before conception.

If you feel depleted, have adrenal issues, or suspect mineral imbalances, HTMA testing can offer fertility-focused insights. It's included in my Advanced Fertility Labs Package ➡️

How to Use Functional Lab Testing (DUTCH, GI MAP, HTMA) to Create a Fertility Plan — Composed Nutrition | Hormone, PCOS, Fertility Nutrition | Registered Dietitian Nutritionist (2025)
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