PCOS Blood Test Timing: Which Hormones Matter Most
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Women's Hormones Lab Interpretation 2026 Update Patient-Friendly The best PCOS blood test panel is not one lab but a timed set: testosterone with SHBG, DHEAS, TSH, prolactin, glucose or HbA1c, and morning 17-hydroxyprogesterone. Most baseline hormones work best on cycle days 2-5, while progesterone is checked about 7 days after ovulation. 📖 ~11 minutes 📅 […]

Normal Range for Alkaline Phosphatase and ALP Changes
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Liver & Bone Marker Lab Interpretation 2026 Update Patient-Friendly For most adults, the normal range for alkaline phosphatase is about 30-120 U/L, but children, teenagers, and pregnancy can run much higher. What matters most is whether the source looks like liver, bile ducts, bone, placenta, or a rarer cause. 📖 ~11 minutes 📅 March 31, […]

Normal Range for Ferritin: Low, High, and Iron Stores
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Iron Storage Lab Interpretation 2026 Update Patient-Friendly The normal range for ferritin is usually 12-150 ng/mL in adult women and 30-300 ng/mL in adult men, though some labs use slightly different limits. The real trick is this: ferritin measures iron stores, but inflammation, liver stress, and infection can raise it even when usable iron is […]

What Does High GGT Mean? Liver Causes and Next Steps
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Liver Enzymes Lab Interpretation 2026 Update Patient-Friendly If you’re asking what does high GGT mean, the short answer is liver or bile duct stress. By itself it often points to alcohol, fatty liver, or medicines; with ALT/AST or ALP, the pattern shifts. 📖 ~11 minutes 📅 March 30, 2026 📝 Published: March 30, 2026 🩺 […]

SHBG Blood Test: Why Total Testosterone Can Mislead
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Hormones Lab Interpretation 2026 Update Patient-Friendly A normal total testosterone result can be misleading when SHBG is unusually high or low. This guide shows how clinicians use SHBG to estimate biologically active testosterone in men and women. 📖 ~11 minutes 📅 March 30, 2026 📝 Published: March 30, 2026 🩺 Medically Reviewed: March 30, 2026 […]

PT/INR Normal Range: Interpreting High and Low Results
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Coagulation Tests Lab Interpretation 2026 Update Patient-Friendly If you are not taking warfarin, a typical PT INR result is a prothrombin time of about 11-13.5 seconds and an INR of 0.8-1.1. Higher values mean blood is clotting more slowly — often from warfarin, liver dysfunction, vitamin K deficiency, antibiotics, or a sample issue — while […]

WBC Normal Range by Age: High and Low Counts Explained
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Hematology Lab Interpretation 2026 Update Patient-Friendly For most adults, the WBC normal range is 4.0-11.0 ×10^9/L. Higher counts usually reflect infection, inflammation, smoking, steroids, or stress; lower counts more often point to viral illness, medication effects, autoimmune disease, or bone marrow suppression. 📖 ~11 minutes 📅 March 29, 2026 📝 Published: March 29, 2026 🩺 […]

BUN Normal Range: High, Low, and Hidden Kidney Risks
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Kidney Health Lab Interpretation 2026 Update Patient-Friendly A BUN result looks simple until creatinine is normal and the portal still flags red. We break down the cutoffs clinicians actually use, what dehydration does to BUN first, and when a repeat or urgent call makes sense. 📖 ~11 minutes 📅 March 29, 2026 📝 Published: March […]

ALT Normal Range: High ALT Levels, Causes, Next Steps
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Liver Health Lab Interpretation 2026 Update Patient-Friendly A high ALT result usually means liver-cell irritation, not automatic liver failure. The real question is whether you need a calm repeat test, a medication review, or a proper liver workup. 📖 ~11 minutes 📅 March 29, 2026 📝 Published: March 29, 2026 🩺 Medically Reviewed: March 29, […]

Lipid Panel Results: Reading LDL, HDL and Triglycerides
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Cardiometabolic Health Lab Interpretation 2026 Update Patient-Friendly A lipid panel is easiest to read as a pattern: high LDL usually reflects cholesterol burden, low HDL often tracks with metabolic risk, and high triglycerides often signal insulin resistance or alcohol or carbohydrate excess. Total cholesterol matters far less on its own. 📖 ~11 minutes 📅 March […]