1、自1979年4月7日我省组织西医二院、市中心医院等单位、对西安、汉中、宝鸡等地22,666名妇女的月经情况进行了调查,但由于缺乏陕北地区资料,因此本文作为全省妇女月经生理常数的统计,仍有不足之处。2、我省妇女月经初潮年龄,城市平均为14.8岁,农村平均为15.9岁。3、月经初潮至第二次来潮的间隔时间在35天之内,占总数73.9%。 1. Since April 7, 1979, the province has organized units such as the Second Hospital of Western Medicine and the Central Hospital to investigate the menstrual conditions of 22,666 women in Xi’an, Hanzhong and Baoji. Due to the lack of information in northern Shaanxi, As the province’s menstrual physiological constant statistics, there are still inadequacies. 2, women in our province, the age of menarche, the average urban 14.8 years old, rural average of 15.9 years old. 3, the menarche to the second cramp interval between 35 days, accounting for 73.9% of the total.