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Introduction: Sleep problems are common in pregnancy but many studies have relied only on self-reported sleep measures. We studied the association between objectively measured sleep and peripartum depressive symptoms in pregnant women. Material and Methods: Sleep was assessed using Actiwatch accelerometers in a sample of 163 pregnant women in the late first (weeks 11-15) or early second trimester (weeks 16-19). Depressive symptoms were assessed in gestational weeks 17, 32 and at 6 weeks post-partum using the Edinburgh Postnatal Depression Scale (EPDS). Multiple linear regression and logistic regression analyses, adjusting for age, BMI, pre-pregnancy smoking, ongoing mental health problems, trimester and season of sleep assessment were carried out to test the association between sleep and depression. Sleep was measured by total sleep time and sleep efficiency, whereas depression was indicated by depressive symptoms and depression caseness. Results are presented as unstandardized beta (B) coefficients or adjusted odds ratios (AOR) and 95% confidence intervals (CI). Results: Total sleep time ranged from 3 to 9 h (mean 7.1, SD 0.9) and average sleep efficiency was 83% (SD 6.0). Women with the shortest total sleep time, i.e., in the lowest quartile (<6.66 h), reported higher depressive symptoms during pregnancy (week 17, B = 2.13, 95% CI 0.30-3.96; week 32, B = 1.70, 95% CI 0.03-3.37) but not post-partum. Their probability to screen positive for depression in gestational week 17 was increased more than 3-fold (AOR = 3.46, 95% CI 1.07-11.51) but unchanged with regards to gestational week 32 or 6 weeks post-partum. Sleep efficiency was not associated with depressive symptoms at any stage of pregnancy or post-partum. Discussion: In one of the few studies to use objective sleep measures to date, mental health of pregnant women appeared to be affected by shortened sleep, with total sleep time being negatively associated with depressive symptoms in the early second and thir

In high-income countries, parental age at first birth has increased and this postponement increases the risk of involuntary childlessness or having fewer children than desired. This interview study was conducted in Denmark and Sweden among childless men (n = 29) in their last year of an education. The aim was to explore the role of individual and societal factors on fertility decision-making and men's reflections on barriers and enablers for earlier family formation. Data were analysed with thematic content analysis. Almost all participants wanted children in the future. Overall, there was a desire to follow the 'right chronology': get educated, having a stable relationship, employment and a good financial status before having children. While most men felt mature enough to have children, they were still not ready. Influences from within the inner social circle, societal expectations, the need for security and stability and being ready to give up freedom and individuality were factors that affected participants' preferred timing of parenthood. Most men did not have suggestions for how earlier family formation could be supported. Results suggest a gap between the ideal biological and ideal social age of family formation that may lead to unfulfilled parenthood aspirations., the ReproUnion collaborative study

Most previous studies about fertility knowledge and attitudes among men have been based on quantitative methods using questionnaires with fixed-choice response options. The aims of this qualitative study were to explore childless young men's reflections on fertility and infertility through semi-structured interviews. Danish (n = 17) and Swedish (n = 12) young childless men aged between 20 and 30 years in their last year of education were interviewed. Data were analysed using qualitative content analysis. Few informants had considered their own fertility, and most were positive towards fertility treatment. The young men had inadequate knowledge about factors that can potentially impair male and female fertility. On average, the young men each mentioned three different factors they believed influence male and female fertility: (i) health behaviour; (ii) factors beyond personal control; and (iii) age. None mentioned sexual transmitted infections (STIs) but most appeared aware of the effect of increasing age on fertility. The results of this study highlight the need for educational strategies to improve young men's knowledge about fertility and the factors that influence it, particularly about the potential adverse effect of STIs on fertility.

In high-income countries, parental age at first birth has increased and this postponement increases the risk of involuntary childlessness or having fewer children than desired. This interview study was conducted in Denmark and Sweden among childless men (n = 29) in their last year of an education. The aim was to explore the role of individual and societal factors on fertility decision-making and men's reflections on barriers and enablers for earlier family formation. Data were analysed with thematic content analysis. Almost all participants wanted children in the future. Overall, there was a desire to follow the 'right chronology': get educated, having a stable relationship, employment and a good financial status before having children. While most men felt mature enough to have children, they were still not ready. Influences from within the inner social circle, societal expectations, the need for security and stability and being ready to give up freedom and individuality were factors that affected participants' preferred timing of parenthood. Most men did not have suggestions for how earlier family formation could be supported. Results suggest a gap between the ideal biological and ideal social age of family formation that may lead to unfulfilled parenthood aspirations.

Purpose: The aim of this study was to investigate medical undergraduate students' fertility awareness and parenthood intentions in three European countries, as well as possible differences across genders and countries. Materials and methods: A cross sectional survey among 656 medical students in Sweden, Belgium and Greece. The utilised questionnaire comprised 23 questions. Results: Three fourth of participants (n = 472/629) correctly stated that women are most fertile at 20-25 years of age. Approximately 91% correctly answered that women's fertility starts to significantly decline before the age of 35, which differed among countries of participation. Social oocyte or sperm freezing was considered by 67% of Belgians, 49% Greeks, and 16.5% Swedes (p < 0.001). Approximately 95% expressed a wish of having a child in the future and the median age was 29 years for the first and 35 years for the last child. Conclusions: Knowledge about fertility among medical students was in general satisfactory, albeit varying by country and gender. Medical curricula and social policies for childbearing should be respectively updated in EU countries suffering population growth.

Most previous studies about fertility knowledge and attitudes among men have been based on quantitative methods using questionnaires with fixed-choice response options. The aims of this qualitative study were to explore childless young men’s reflections on fertility and infertility through semi-structured interviews. Danish (n = 17) and Swedish (n = 12) young childless men aged between 20 and 30 years in their last year of education were interviewed. Data were analysed using qualitative content analysis. Few informants had considered their own fertility, and most were positive towards fertility treatment. The young men had inadequate knowledge about factors that can potentially impair male and female fertility. On average, the young men each mentioned three different factors they believed influence male and female fertility: (i) health behaviour; (ii) factors beyond personal control; and (iii) age. None mentioned sexual transmitted infections (STIs) but most appeared aware of the effect of increasing age on fertility. The results of this study highlight the need for educational strategies to improve young men’s knowledge about fertility and the factors that influence it, particularly about the potential adverse effect of STIs on fertility., ReproUnion