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1.
Br J Clin Pharmacol ; 89(10): 3126-3138, 2023 10.
Article in English | MEDLINE | ID: mdl-37222170

ABSTRACT

AIMS: During the COVID-19 vaccination campaigns, the number of reports of menstrual abnormalities increased rapidly. Here, we describe the nature and potential risk factors associated with menstrual abnormalities based on spontaneously reporting data as well as data from a prospective cohort event monitoring (CEM) study as these are poorly studied. METHODS: Reports of menstrual abnormalities received by the Netherlands Pharmacovigilance Centre Lareb in the spontaneous reporting system between February 2021 and April 2022 were summarized. In addition, logistic regression analysis was performed on the reported menstrual abnormalities in the CEM study to assess the association between person characteristics, prior SARS-CoV-2 infection and use of hormonal contraceptives and the occurrence of menstrual abnormalities after vaccination. RESULTS: We analysed over 24 000 spontaneous reports of menstrual abnormalities and over 500 episodes (among 16 929 included women) of menstrual abnormalities in the CEM study. The CEM study showed an incidence of 41.4 per 1000 women aged ≤54 years. Amenorrhoea/oligomenorrhoea and heavy menstrual bleeding collectively accounted for about half of all abnormalities reported. Significant associations were observed for the age group 25-34 years (odds ratio 2.18; 95% confidence interval 1.45-3.41) and the Pfizer vaccine (odds ratio 3.04; 95% confidence interval 2.36-3.93). No association was observed for body mass index and presence of most comorbidities assessed. CONCLUSION: The cohort study showed a high incidence of menstrual disorders among women aged ≤54 years, and this observation was supported by the analysis of spontaneous reports. This suggests that a relation between COVID-19 vaccination and menstrual abnormalities is plausible and should be further investigated.


Subject(s)
COVID-19 Vaccines , COVID-19 , Menstruation Disturbances , Female , Humans , Cohort Studies , COVID-19/epidemiology , COVID-19/prevention & control , COVID-19 Vaccines/adverse effects , Netherlands/epidemiology , Patient Reported Outcome Measures , Prospective Studies , Vaccination/adverse effects , Menstruation Disturbances/etiology , Adult , Middle Aged
2.
BMJ Open ; 9(6): e026186, 2019 06 27.
Article in English | MEDLINE | ID: mdl-31248919

ABSTRACT

OBJECTIVE: To evaluate age-dependent productivity loss caused by menstruation-related symptoms, measured in absenteeism (time away from work or school) and presenteeism (productivity loss while present at work or school). METHODS: Design/setting: internet-based, cross-sectional survey conducted in the Netherlands from July to October 2017. PARTICIPANTS: 32 748 women aged 15-45 years, recruited through social media. OUTCOME MEASURES: self-reported lost productivity in days, divided into absenteeism and presenteeism; impact of menstrual symptoms; reasons women give when calling in sick; and women's preferences regarding the implications of menstruation-related symptoms for schools and workplaces. RESULTS: A total of 13.8% (n=4514) of all women reported absenteeism during their menstrual periods with 3.4% (n=1108) reporting absenteeism every or almost every menstrual cycle. The mean absenteeism related to a woman's period was 1.3 days per year. A total of 80.7% (n=26 438) of the respondents reported presenteeism and decreased productivity a mean of 23.2 days per year. An average productivity loss of 33% resulted in a mean of 8.9 days of total lost productivity per year due to presenteeism. Women under 21 years were more likely to report absenteeism due to menstruation-related symptoms (OR 3.3, 95% CI 3.1 to 3.6). When women called in sick due to their periods, only 20.1% (n=908) told their employer or school that their absence was due to menstrual complaints. Notably, 67.7% (n=22 154) of the participants wished they had greater flexibility in their tasks and working hours at work or school during their periods. CONCLUSIONS: Menstruation-related symptoms cause a great deal of lost productivity, and presenteeism is a bigger contributor to this than absenteeism. There is an urgent need for more focus on the impact of these symptoms, especially in women aged under 21 years, for discussions of treatment options with women of all ages and, ideally, more flexibility for women who work or go to school.


Subject(s)
Absenteeism , Efficiency , Menstruation/psychology , Presenteeism/statistics & numerical data , Adolescent , Adult , Cross-Sectional Studies , Female , Humans , Logistic Models , Middle Aged , Netherlands , Schools , Self Report , Workplace , Young Adult
3.
Am J Obstet Gynecol ; 220(6): 569.e1-569.e7, 2019 06.
Article in English | MEDLINE | ID: mdl-30885768

ABSTRACT

BACKGROUND: Menstrual symptoms such as dysmenorrhea, heavy menstrual bleeding, and perimenstrual mood disorders are known to be widespread among the general population. From studies in patients with endometriosis and premenstrual disorder, it has been shown that these symptoms can have a large impact on women's quality of life and account for substantial health care use. Furthermore, it is estimated that many women initially do not consult a doctor while facing menstrual symptoms. Consequently, the impact of menstrual symptoms on daily activities in the general population is unknown. OBJECTIVE: To obtain a nationwide overview of menstrual symptoms and their impact on everyday activities. STUDY DESIGN: Nationwide, cross-sectional, internet-based survey among 42,879 women aged 15-45 years, conducted from July to October 2017. OUTCOME MEASURES: presence of menstrual symptoms, pain or intensity score, impact on daily activities. RESULTS: Dysmenorrhea was the most common symptom, with a prevalence of 85%, followed by psychological complaints (77%), and tiredness (71%). During their menstrual period, 38% of all women reported not to be able to perform all their regular daily activities. From the women that had to skip tasks because of their symptoms, only 48.6% told their family that menstrual symptoms were the reason for the transfer of tasks. CONCLUSION: Menstrual symptoms are widespread among the general population. One in 3 women quit daily activities owing to menstrual symptoms. Half of all women did not mention menstrual complaints being the reason for transferring tasks in a family setting. These results must be interpreted with caution owing to the potential for selection bias. However, considering the impact of menstrual symptoms on daily activities in a large group of women, it is time to open the societal dialogue and improve education for both patients and doctors.


Subject(s)
Activities of Daily Living , Dysmenorrhea/epidemiology , Fatigue/epidemiology , Menorrhagia/epidemiology , Premenstrual Dysphoric Disorder/epidemiology , Premenstrual Syndrome/epidemiology , Adolescent , Adult , Cost of Illness , Cross-Sectional Studies , Dysmenorrhea/physiopathology , Dysmenorrhea/psychology , Fatigue/physiopathology , Fatigue/psychology , Female , Humans , Menorrhagia/physiopathology , Menorrhagia/psychology , Middle Aged , Pain Measurement , Premenstrual Dysphoric Disorder/physiopathology , Premenstrual Dysphoric Disorder/psychology , Premenstrual Syndrome/physiopathology , Premenstrual Syndrome/psychology , Surveys and Questionnaires , Young Adult
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