Women sitting on a bench (IMAGE) University of Jyväskylä - Jyväskylän yliopisto Caption Recent study revealed that higher estradiol and follicle-stimulating hormone levels, irregular menstrual cycles, and menopausal symptoms are strong indicators of approaching menopause in middle-aged women. Credit University of Jyväskylä Usage Restrictions The photo to be used with articles linked to this press release only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.