CRP (C-reactive protein) is a blood biomarker for inflammation. In women, levels can be influenced by menstrual cycle phase, pregnancy, menopause, and hormonal contraceptives. Chronically elevated CRP (>3 mg/L) is associated with increased cardiovascular risk, even without acute infection. A home blood test (e.g., MyBody-X) can provide a rough indication but does not replace clinical diagnosis. Evidence for routine CRP screening in asymptomatic women is moderate; guidelines do not universally recommend it. Caveat: single measurements are confounded by many factors (colds, stress, smoking). If elevated, a doctor should investigate underlying causes. Home tests may have lower accuracy than lab assays. In summary: CRP is a useful but non-specific marker; interpretation requires clinical context.
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