WebApr 9, 2024 · The independent effect of early menarche and of the duration of the reproductive period on breast cancer risk is being debated (Collaborative Group on Hormonal Factors in Breast Cancer, 2012). Also, endometrial cancer (Dossus et al., 2010) and cardiovascular disease (Day et al., 2015) have been linked to early menarche. … WebJan 28, 2024 · Breast cancer is the most common female cancer around the world, with an age-adjusted incidence of 43.3 cases per 100 000 women. 1 Although the incidence of breast cancer is lower in China compared with Western countries, there has been a rising trend in recent years, with an age-standardized rate (ASR) of 22.1 cases per 100 000 …
Early Menarche, a Risk Factor for Breast Cancer, Indicates Early Onset ...
WebJul 1, 1983 · The associations between age at menarche and the hormonal patterns of adolescent menstrual cycles were investigated to obtain information as to why early menarche is an important risk factor for breast cancer. An initial group of 200 schoolgirls, 7–17 yr old, was investigated longitudinally 3 times at 1.5-yr intervals. WebApr 7, 2024 · The incidence and mortality rates of breast cancer have been higher in urban than rural areas of China, and these urban-rural gaps have narrowed since around 2010. This may reflect geographic variations in breast cancer risk factors and the accessibility of breast cancer early detection and treatment methods. easy 2015
Breast cancer statistics World Cancer Research Fund International
WebJan 16, 2024 · This meta-analysis showed that for every year of younger age at menarche, breast cancer risk increased by a factor of 1.05 (95% CI: 1.04–1.05). The biological … WebJul 1, 1983 · The associations between age at menarche and the hormonal patterns of adolescent menstrual cycles were investigated to obtain information as to why early … WebSep 28, 2024 · Participants showed poor knowledge of the fact that the irritation of a tight bra can over time cause breast cancer (15.1%), women with larger breasts have a higher risk of breast cancer (15.4%), early menarche at the age of ≤12 years increases the risk of breast cancer (15.6%), and late pregnancy reduces the incidence of breast cancer … cummins isx fan clutch removal