“…Early or late menarcheal age has great influence on the health of women. Researchers have found that an early menarcheal age was associated with an increased risk for endometriosis, obesity and type 2 diabetes [1,2,3], as well as several hormone-associated cancers, such as breast cancer, myomatosis, multiple sclerosis, endometrial cancer and uterine leiomyomata [4,5,6,7,8,9], and late menarcheal age was associated with urinary incontinence, senile dementia and osteoporosis [10,11]. …”