Prevalence of Heavy Menstrual Bleeding in Female Population Living in Beijing

Study Overview
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Brief Summary
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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.

Detailed Description
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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.

Official Title
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Prevalence of Heavy Menstrual Bleeding in Female Population Living in Beijing

Conditions
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Menorrhagia

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Females aged between 18 and 50 years (inclusive) Stay in Beijing for more than 6 months Signed ICF was obtained Exclusion Criteria: Not achieve the menarche With the last menstruation more than one year ago Experienced amenorrhea, currently take hormone therapy to induce menstruation Had undergone a hysterectomy Currently breastfeeding a baby Being pregnant

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 50 Years

Sexes Eligible for Study
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Female

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| females<br>females aged between 18 and 50 years old living in Beijing | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Prevalence of HMB |  | from date of inclusion until the end of the study currently planned (about 7 months) | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Prevalence of HMB in different subgroups | Subgroups include groups with different age, occupations, education levels, fertility status, with/without combined gynecological diseases. | from date of inclusion until the end of the study currently planned (about 7 months) | 
| Identify risk factors associated with HMB | Identified HMB subjects will be assigned into the case group. Non-HMB subjects will be assigned into the control group. Logistic regression model will be carried out to analyze the associations between possible demographic factors and risk of HMB by calculating odds ratios (OR) with 95% confidence intervals (CIs). | from date of inclusion until the end of the study currently planned (about 7 months) | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Prevalence, Menorrhagia