Pascal Arogorn Ibe
Researchers in the United States (U.S.) have found that irregular menstrual cycles may be associated with an early death. According to the results of a new study published in the British Medical Journal (BMJ), women who always had irregular periods at ages 18 to 22 had a 37 per cent increased risk of early mortality, and those with cycle lengths of 40 days or more had a 34 per cent increased risk.
The younger women, the study showed, had an increased risk for death from cancer but not from cardiovascular disease, while in older women the risk for cardiovascular disease death was higher. Irregular menstruation could be missed, delayed or erratic periods or abnormal bleeding patterns; it is a menstrual cycle that continually falls outside of ‘regular’ ranges for an unexpected reason.
The researchers followed 79,505 women participating in a large long-term health study. The women reported on the length and regularity of their menstrual cycles at ages 14 to 17, 18 to 22, and 29 to 46 years. At the start, none had a history of cardiovascular disease, cancer or diabetes. However, over 24 years of follow-up, there were 1,975 deaths before age 70, including 894 from cancer and 172 from cardiovascular disease. At all ages, compared with women with regular periods of average length (26 to 31 days), those with irregular or longer cycles were at higher risk for early death, ‘New York Times’ reported.
The Senior study author, Dr. Jorge E. Chavarro, said: “Importantly, these associations are not restricted to polycystic ovary syndrome or other gynecological or endocrine conditions that might result in irregular menstrual periods.” Chavarro is an associate professor of medicine at Harvard in the U.S. The study was controlled for diet, physical exercise, anxiety, depression, and age at menarche or menopause.
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