Obesity a possible contributor to early menarche in girls, study finds

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Key Points

Early menstruation, or periods, in young girls has been linked to childhood obesity and a higher risk of adverse health outcomes, such as cardiovascular disease and cancer, a new study has found...

The average age of getting the first period fell from 12.5 years among women born from 1950-1969 to 11.9 years among women born from 2000-2005, according to the study led by Harvard University's School of Public Health...

"Early menarche is associated with higher risk of adverse health outcomes, such as cardiovascular disease and cancer, he said.. To address these health concerns, which our findings suggest may begin to impact more people, with disproportionate impact on already disadvantaged populations, we need much more investment in menstrual health research," Wang said...

The research also found that menstrual cycles are taking time before becoming regular, with 56 per cent of women born from 2000-2005 reporting regular periods within the two years following their first period, compared to 76 per cent among those born from 1950-1969...

"The number of individuals experiencing early menarche (before age 11 years) increased from 8.6 per cent to 15.5 per cent, the number of individuals experiencing very early menarche (before age 9) increased from 0.6 per cent to 1.4 per cent, and the number of individuals experiencing late menarche (at age 16 or later) decreased from 5.5 per cent to 1.7 per cent," they wrote...

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