Tuesday 16 December 2014

Timing of First Period Tied to Women's Later Heart Risk: Study

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Getting it earlier or later raised chances of trouble, experts think childhood obesity might be at play

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WebMD News from HealthDay

By Steven Reinberg

HealthDay Reporter

MONDAY, Dec. 15, 2014 (HealthDay News) -- The timing of a woman's first period may be linked to her later risk of heart disease, British researchers report.

In a study of more than 1 million women, those who had their first period at age 10 or younger, or at age 17 or older, appeared to have a higher risk of heart disease, stroke and complications from high blood pressure.

Women who had their first periods at age 10 or earlier were 27 percent more likely to be hospitalized or die from heart disease, the researchers found. Those who had their first menstrual cycle at or after age 17 were 23 percent more likely to be hospitalized or die from heart disease. The researchers found similar -- though slightly weaker -- associations for the risk of stroke and high blood pressure complications and early or late periods.

"We now understand that the timing of the first menstrual cycle could have a long-term influence on women's vascular health," said study author Dr. Dexter Canoy, a cardiovascular epidemiologist in the Cancer Epidemiology Unit at the University of Oxford.

While this study found an association between the timing of a woman's first period and later heart disease risk, it wasn't designed to prove whether or not menstrual timing could somehow cause later heart disease, stroke or high blood pressure complications.

Canoy noted that only a small percentage of women had very early or late first periods. However, he added that since being overweight or obese is associated with starting periods at a young age and childhood obesity is increasing, more middle-aged women might be at increased risk of developing heart disease or stroke in the future.

His advice for women? "For middle-aged women, it is probably worth focusing on prevention or treatment of modifiable factors that are strongly associated with heart disease, such as smoking, high blood pressure and high blood cholesterol," he said.

He also suggested that strategies to prevent excess weight gain during childhood might help avoid early periods. And, avoiding earlier periods might then reduce the number of women at risk of developing heart disease or stroke in the long-term, he said.



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