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Evidence-based guides on iron, ferritin, and energy through perimenopause and midlife.
OYO editorial illustration: Iron Loss in Your 40s vs Your 30s
The OYO Editorial Team

Iron Loss in Your 40s vs Your 30s: The Math You...

The same period in your 40s costs more iron than it did in your 30s....

Tags: #audience:Women aged 40-55 #reviewed:2026-06-03
The OYO Editorial Team

Iron Loss in Your 40s vs Your 30s: The Math You...

The same period in your 40s costs more iron than it did in your 30s....

Tags: #audience:Women aged 40-55 #reviewed:2026-06-03
OYO editorial illustration: Heavy Periods and Iron Deficiency
The OYO Editorial Team

Heavy Periods and Iron Deficiency: The Connecti...

Heavy perimenopausal periods quietly drain your iron stores at roughly 0.5 mg per mL of...

Tags: #audience:Women aged 45-55 (perimenopause) #reviewed:2026-06-03 #schema-medical #specialty:Gynecology
The OYO Editorial Team

Heavy Periods and Iron Deficiency: The Connecti...

Heavy perimenopausal periods quietly drain your iron stores at roughly 0.5 mg per mL of...

Tags: #audience:Women aged 45-55 (perimenopause) #reviewed:2026-06-03 #schema-medical #specialty:Gynecology
OYO editorial illustration: Perimenopause, Hormones, and Iron
The OYO Editorial Team

Perimenopause, Hormones, and Iron: The Triangle...

Your midlife fatigue is rarely one thing. Estrogen, progesterone, and iron form one connected system,...

Tags: #audience:Women aged 45-55 (perimenopause) #reviewed:2026-06-03 #schema-medical #specialty:Endocrinology
The OYO Editorial Team

Perimenopause, Hormones, and Iron: The Triangle...

Your midlife fatigue is rarely one thing. Estrogen, progesterone, and iron form one connected system,...

Tags: #audience:Women aged 45-55 (perimenopause) #reviewed:2026-06-03 #schema-medical #specialty:Endocrinology
OYO editorial illustration: Low Ferritin in Perimenopause
The OYO Editorial Team

Low Ferritin in Perimenopause: The Complete Guide

Low ferritin is the most overlooked cause of midlife fatigue. A complete guide to why...

Tags: #audience:Women aged 45-55 (perimenopause) #reviewed:2026-06-03 #schema-medical #specialty:Gynecology
The OYO Editorial Team

Low Ferritin in Perimenopause: The Complete Guide

Low ferritin is the most overlooked cause of midlife fatigue. A complete guide to why...

Tags: #audience:Women aged 45-55 (perimenopause) #reviewed:2026-06-03 #schema-medical #specialty:Gynecology