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Background: Dysmenorrhea, or menstrual pain, is a subjective experience, and can only be assessed by patient-reported outcomes. These instruments should be reliable, valid and responsive., Aim: To identify and critically appraise the available evidence for the measurement properties of specific patient-reported outcome measures used for dysmenorrhea., Methods: The PRISMA statement was used to report this systematic review. Databases searched were PubMed, SCOPUS, CINAHL, Web of Science, ScienceDirect and Google Scholar (April 2021; updated on February 2023). Original studies with primary data collection, with no restriction on language and publication date that reported psychometric properties of one or more dysmenorrhea-related patient-reported outcome measure. The literature searches, selection of studies, data extraction and assessment of the risk of bias were performed independently by two reviewers and followed the COSMIN guidelines., Results: Thirty studies were analysed in this review, and 19 patient-reported outcome measures were evaluated. The instruments varied in relation to the measured construct and measurement properties (validity, reliability and responsiveness). The methodological quality of the studies and the quality of evidence of the patient-reported outcome measures were variable. Among the 13 studies that reported the development of patient-reported outcome measures, most had inadequate methodological quality, and the overall rating was insufficient or inconsistent., Conclusions: The Dysmenorrhea Symptom Interference (DSI) scale was the only identified patient-reported outcome measure that has the potential to be recommended because of its sufficient rating combined with moderate quality of evidence for content validity. Future studies should further evaluate the measurement properties of the existing patient-reported outcome measures, or develop new patient-reported outcome measures following the COSMIN methodology., Patient or Public Contribution: Not applicable as this is a systematic review., Trial Registration: PROSPERO protocol: CRD42021244410. Registration on April 22, 2021., (© 2024 John Wiley & Sons Ltd.)

Purpose: Menstrual characteristics can affect a woman's productivity at work and college, but studies in a general population of adult women are scarce. In addition, it is important to know which menstrual symptoms are most associated with presenteeism in women to promote specific health actions. The present study aimed to assess menstrual symptoms associated with presenteeism in adult women., Methods: Online cross-sectional study in which menstrual characteristics, including menstrual flow, age of menarche, menstrual pain and cycle duration were assessed by a self-report questionnaire. The menstrual pain intensity was assessed by Numerical Rating Scale, and the presenteeism, by the Stanford Presenteeism Scale-6 (SPS-6). Women were divided in two groups, with and without presenteeism, based on the SPS-6 cutoff point. Data were analyzed by binary logistic regression and presented as odds ratios (OR)., Results: Among the 430 women who participated in the study, 44.2% were classified as with presenteeism. Women with severe menstrual flow were more likely to have presenteeism (OR = 2.12) compared with women with mild and moderate menstrual flow. The higher menstrual pain intensity the higher the chances of a woman presenting with presenteeism (OR = 1.29)., Conclusions: These menstrual characteristics (intensity of menstrual flow and menstrual pain) seem to affect women's productivity at work and/or college, and should be assessed in research and clinical practice. Thus, public policies on women's health can be carried out based on these results., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Objective: Dysmenorrhea is the pain related to menstruation; to screen for the symptoms, a working ability, location, intensity of days of pain, and dysmenorrhea (WaLIDD) score was created. The purpose of this work was to culturally adapt and assess the measurement properties of the WaLIDD score for dysmenorrhea in Brazilian women., Methods: In this cross-sectional online study, we evaluated women with and without dysmenorrhea. Criterion validity and construct validity were assessed, respectively, by the Receiver Operator Characteristic (ROC) curve and correlations with the bodily pain and social functioning domains of medical outcomes study 36-item short-form health survey (SF-36), self-report of absenteeism and Stanford Presenteeism Scale for presenteeism. Test-retest reliability and measurement errors were assessed, respectively, by intraclass correlation coefficient (ICC) and Bland and Altman Graph., Results: 430 women completed the test, 238 (55.4%) women had dysmenorrhea, and 199 (46.3%) answered the questionnaire twice for the retest. The cutoff points ≥4, ≥5, and ≥5 could discriminate between women with and without dysmenorrhea, absenteeism, and presenteeism related to dysmenorrhea, respectively. Correlations between SF-36 - pain and social functioning domains and WaLIDD score were weak to strong and negative. For WaLIDD total Score, ICC was 0.95 and the limits of agreement were -1.54 and 1.62., Conclusion: WaLIDD score is a short, valid and reliable instrument to screen and predict dysmenorrhea and could predict absenteeism and presenteeism related to dysmenorrhea in Brazilian women., Competing Interests: Conflicts to interest: none to declare., (© 2024. Federação Brasileira de Ginecologia e Obstetrícia. All rights reserved.)

Background: Dysmenorrhoea is a prevalent pain condition that affects women of reproductive age, who are monthly exposed to this pain, usually until they reach adult age, or even after that, which can predispose them to Central Sensitization. The present study aimed to observe the association between menstrual characteristics and central sensitivity symptoms in women., Methods: Cross-sectional study. Brazilian women (n = 10,402) answered an online form comprised of questions regarding their gynaecological history, the Numerical Rating Scale for pain and the Central Sensitization Inventory, part A. For the analysis, we separated women into two groups: the Central Sensitivity Symptoms group (n = 5200) and the no Central Sensitivity Symptoms group (n = 5202). We performed a binary logistic regression with the backward insertion method for the variables with p < 0.05 in the bivariate analysis between groups. The significance level was set at 5%., Results: Prevalence of dysmenorrhoea was 67.3%, and 32.2% of women in the Central Sensitivity Symptoms group reported pain >8 during their menstrual period. The logistic regression showed that greater levels of menstrual pain (odds ratio 1.12), gynaecological diseases (odds ratio 1.51), presence of dysmenorrhoea since adolescence (odds ratio 1.20) and irregular menstrual cycles (odds ratio 1.47) increased the likelihood of women presenting with Central Sensitivity Symptoms (p < 0.05 for all comparisons)., Conclusions: The present study shows that Central Sensitivity Symptoms are present in about 50% of women and are associated with menstrual characteristics such as dysmenorrhoea-related pain intensity, cycle regularity, presence of dysmenorrhoea since adolescence accompanied by gynaecological diseases., Significance: Central sensitivity symptoms occur in 50% of women and are more present in women with dysmenorrhoea. They are associated with cycle regularity, presence of dysmenorrhoea since adolescence and gynaecological diseases., Limitations: Women that suffer from dysmenorrhoea and are of higher socio-economic and educational levels may have been more propense to respond to the invitation; as such, the findings of the present study should be carefully interpreted., (© 2022 European Pain Federation - EFIC ®.)

Objective: To evaluate the numerical rating scale (NRS) measurement properties in women with dysmenorrhea. Methods: This was an online clinimetric study. Brazilian women aged over 18 years old with internet access to respond to online instruments were included in the study. We evaluated criterion validity (comparing women with and without dysmenorrhea), construct validity between the NRS and the bodily pain domain of the SF-36, test-retest reliability, and measurement errors (in women with dysmenorrhea). Results: Two hundred thirty-eight women with and 192 without dysmenorrhea participated in the study. For criterion validity, the area under the receiver operating characteristic curve was 0.902 (95%CI, 0.873-0.931), and a cutoff point of 3 was considered to have the best sensitivity (83%) and specificity (86%). For construct validity, the NRS showed a moderate negative correlation with the SF-36 bodily pain domain (r=-0.46; p  < 0.001). For test-retest reliability and measurement errors, 105 women whose symptoms did not change between 7 and 10 days of retest, with intraclass correlation coefficient = 0.90, standard error of measurement = 0.97, and smallest detectable change = 2.76 points. Conclusions: The NRS can be considered a valid and reliable patient-reported outcome measure for assessing dysmenorrhea-related pain intensity.