Breast tenderness and other symptoms of puberty may precede menarche (the first period). Learn how to sense when her period ...

Menarche, the onset of menstruation, marks a significant milestone in a teenager's life, typically occurring between the ages of 10 and 15. Hormonal changes trigger the development of secondary ...

The percentage of girls experiencing menarche, or the onset of menstruation before the age of 11, increased from 8.6% to 15.5%, and the number of girls starting menstruation before age 9 more than ...

Women's Health. 2009;5(2):175-190. As for age at menarche, a number of studies have examined the association between early life factors and age at natural menopause ( Table 2) and these can be ...

View Full Profile. Learn about our Editorial Policies. The first time a child gets their period, also known as menarche, is a monumental occasion. It can be surprising and scary, but at the same time ...

Faculty of Applied Health Sciences, Brock University, St-Catharines, Ontario, Canada Correspondence to: Dr Klentrou Faculty of Applied Health Sciences, Brock University, St-Catharines, Ontario, Canada ...