Prevalence of Heavy Menstrual Bleeding in Female Population Living in Beijing
Prevalence of Heavy Menstrual Bleeding in Female Population Living in Beijing
The purpose of the study is to estimate the prevalence of heavy menstrual bleeding (HMB) in females aged between 18 and 50 years old living in Bejing.
This study is an observational, cross-sectional study. A representative sample of 2800 eligible women with different occupations such as farmers, service providers, workers, professional specialists, students and civil servants will be recruited. A cluster sampling method with probability proportional to the distribution of occupation in women in Beijing will be used. Demographic data will be collected by questionnaire. Menstrual bleeding will be evaluated by Pictorial Blood loss Assessment Chart (PBAC). According to the international definition of HMB, a PBAC score more than 100 is considered as HMB.
Inclusion Criteria:
Exclusion Criteria: