Symptoms · Dec 24, 2025 · 1 min read
Brain Fog: Blood Tests That Can Help Clear the Confusion
Struggling with mental clarity? These lab tests can uncover thyroid issues, nutrient deficiencies, and other causes of brain fog.
The EllaDx Journal
Her biology, explained.
Read clear, research-based articles about hormones, symptoms, and lab tests. Use them to prepare questions for your next visit.
Featured · Hormones
What your luteal phase is actually trying to tell you
A biomarker-level guide to the second half of your cycle - and why most doctors read it wrong.
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Nutrients · Dec 22, 2025 · 1 min read
Magnesium Deficiency: The Overlooked Mineral
Up to 50% of Americans don't get enough magnesium. Learn why it matters and how to test for it.
Fertility · Dec 20, 2025 · 1 min read
Irregular Periods: What Lab Tests Can Tell You
Understanding the causes of irregular menstrual cycles and which blood tests can help identify the problem.
Longevity & aging · Dec 18, 2025 · 3 min read
Biological age vs. chronological age: what the epigenetic clock actually measures
Your biological age can differ from your birthday count. Learn what epigenetic clocks measure from DNA methylation, and what they can and can't tell you.
Fertility · Dec 18, 2025 · 1 min read
AMH and Ovarian Reserve: Understanding Your Fertility Numbers
Anti-Mullerian Hormone (AMH) is a key marker of ovarian reserve. Learn what it means and what to expect.
Fertility · Dec 16, 2025 · 1 min read
Preconception Testing: Lab Work Before Pregnancy
Planning a pregnancy? These are the essential blood tests to optimize your health before conception.
Fertility · Dec 14, 2025 · 1 min read
Postpartum Lab Tests: What to Check After Baby
Pregnancy depletes nutrients and changes hormones. Learn which tests to request during postpartum recovery.
Autoimmune · Dec 12, 2025 · 1 min read
Autoimmune Blood Tests: When Your Body Attacks Itself
Autoimmune conditions are more common in women. Learn about the blood tests used to screen for and diagnose autoimmune diseases.
Metabolic · Dec 10, 2025 · 1 min read
Unexplained Weight Gain: What Blood Tests to Request
Can't lose weight despite diet and exercise? These lab tests can uncover thyroid issues, insulin resistance, and hormonal imbalances.
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