Ferritin is a key iron storage protein and a biomarker for iron status. Both low and high ferritin levels can impact fertility. Iron deficiency (low ferritin) may impair ovulation, egg quality, and sperm parameters. Excess iron (high ferritin, e.g., in hemochromatosis) can cause oxidative stress and damage reproductive tissues. MyBody-X DNA tests can detect risk variants for iron overload (e.g., HFE C282Y), but they do not measure ferritin directly. The clinical utility of these genetic markers is moderate; most carriers never develop iron overload. For fertility, maintaining a balanced iron level is important – neither deficient nor excessive. Have your ferritin measured and interpreted by a doctor, especially if you are planning pregnancy. Self-adjusting iron intake without lab tests and medical advice is not recommended. Evidence: human-moderate (observational studies support the link between iron status and fertility, but strong causal evidence is lacking).
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