Symptoms · Jan 25, 2026 · 3 min read
Low Libido: Blood Tests That May Reveal Why
Lost your sex drive? Low libido in women often has hormonal, thyroid, or nutrient-related causes that lab tests can identify.
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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Symptoms · Jan 23, 2026 · 2 min read
Lab Tests for Fatigue: Which Blood Tests Reveal Why You're Always Tired
Chronic fatigue in women often has identifiable causes. Learn which lab tests can uncover iron deficiency, thyroid dysfunction, vitamin deficiencies, and hormonal imbalances causing your exhaustion.
Hormones · Jan 23, 2026 · 6 min read
Signs Your Birth Control Is Affecting Your Hormones
Is your birth control affecting your hormones? Learn the signs that hormonal contraception may be impacting your mood, libido, energy, and overall health - and what lab tests can reveal.
Perimenopause & menopause · Jan 22, 2026 · 4 min read
HRT: reading the room on a decades-old debate
The 2023 re-analysis of the Women's Health Initiative, in plain language: what it found about hormone therapy and how the 2002 results were misread.
Thyroid · Jan 20, 2026 · 2 min read
Why TSH Alone Isn't Enough: A Complete Thyroid Testing Guide
Learn why comprehensive thyroid testing goes beyond basic TSH and how to get a complete picture of your thyroid health.
Hormones · Jan 18, 2026 · 2 min read
Perimenopause Symptoms: What Your Body Is Trying to Tell You
Understanding the signs of perimenopause and which hormone tests can help you navigate this transition.
Nutrition · Jan 15, 2026 · 3 min read
Ferritin, not hemoglobin - why iron deficiency hides from routine labs
Normal hemoglobin doesn't rule out iron deficiency. Learn why ferritin, your iron storage marker, can drop months before a routine blood count flags it.
Fertility · Jan 15, 2026 · 1 min read
PCOS Lab Panel: The Tests You Need for Diagnosis
A comprehensive guide to the blood tests that can help identify PCOS and monitor your health.
Nutrients · Jan 12, 2026 · 1 min read
Vitamin D Deficiency: More Common Than You Think
Why so many women are deficient in vitamin D and how it affects your overall health.
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