(CNN) — Women with irregular menstrual cycles or cycle lengths may face a higher risk of cardiovascular disease, a new study suggests.
Cycles that are shorter than normal – less than 21 days – and longer-than-normal cycles – at more than 35 days – were associated with a higher risk of cardiovascular disease and atrial fibrillation, or irregular heartbeats, according to the study, published Wednesday in the Journal of the American Heart Association. A menstrual cycle was measured as the number of days between each menstrual period.
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