Although this finding was independent of body weight, the study repeated previous research showing that bigger girls tend to menstruate early.

BBC: High meat diet 'linked to early periods'

"Many people are tired much of the time, " women may feel bloated around the time they menstruate, and post-menopausal women commonly have to urinate frequently or more urgently, she said.

MSN: 5 signs of gynecological cancer women ignore