随着女性罹患结直肠癌的发病率升高,与其发生相关的危险因素成为很多机构研究的重点。近年来屡见关于月经初潮年龄与罹患结直肠癌的风险之间的关系的研究,然而这方面的很多研究结论之间存在分歧。月经初潮年龄是否与罹患结直肠癌的风险存在相关性?Li CY等人就这一问题从流行病学的角度对这一领域的文献进行了系统评价。经检索MEDLINE、 With the increased incidence of colorectal cancer in women, the risk factors associated with it have become the focus of many institutional studies. In recent years, studies on the relationship between the age of menarche and the risk of colorectal cancer have frequently been conducted. However, there are disagreements between many research findings in this area. Does the menarche age correlate with the risk of colorectal cancer? Li CY et al. systematically evaluated the literature in this area from the epidemiological point of view. After searching MEDLINE,