Women are more likely to go through menopause early if they started menstruating before their 12th birthday. This is the conclusion of the largest study of its kind, involving 50,000 postmenopausal women in the UK, Australia, Japan and Scandinavia.

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Women are more likely to go through menopause early if they started menstruating before their 12th birthday. This is the conclusion of the largest study of its kind, involving 50,000 postmenopausal women in the UK, Australia, Japan and Scandinavia.