- Patients with long COVID reported heavier menstrual bleeding and prolonged periods.
- Symptom severity, including fatigue and headache, increased during menstruation.
- Inflammatory markers such as tumor necrosis factor were elevated during menstrual phases.
- Ovarian reserve markers, including estradiol and anti-Müllerian hormone, showed no differences.
- Study limitations included self-reported data and a sample composed largely of White, educated women.
- Researchers noted abnormal uterine bleeding in COVID-19 may widen the gender health gap.
Source: Nature Communications