1,264 research outputs found

    Women's perceptions of fertility assessment and counselling six years after attending a Fertility Assessment and Counselling clinic in Denmark

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    STUDY QUESTION What are women’s perceptions and experience of fertility assessment and counselling 6 years after attending a Fertility Assessment and Counselling (FAC) clinic in Denmark? SUMMARY ANSWER Women viewed the personalized fertility knowledge and advice they received as important aids to decision-making and they felt the benefits outweighed the risks of receiving personalized fertility information. WHAT IS KNOWN ALREADY Many young people wish to become parents in the future. However, research demonstrates there is a gap in women’s and men’s knowledge of fertility and suggests they may be making fertility decisions based on inaccurate information. Experts have called for the development of interventions to increase fertility awareness so that men and women can make informed fertility decisions and achieve their family-building goals. Since 2011, the FAC clinic in Copenhagen, Denmark has provided personalized fertility assessment and guidance based on clinical examination and evaluation of individual risk factors. Available qualitative research showed that attending the FAC clinic increased fertility awareness and knowledge and was experienced as a catalyst for change (e.g. starting to conceive, pursuing fertility treatment, ending a relationship) in women 1-year post-consultation. STUDY DESIGN, SIZE, DURATION The study was a 6-year follow-up qualitative study of 24 women who attended the FAC clinic between January and June 2012. All women were interviewed during a 2-month period from February to March 2018 at Rigshospitalet, their home or office, in Copenhagen, Denmark. Interviews were held in English and ranged between 60 and 94 min (mean 73 min). PARTICIPANTS/MATERIALS, SETTING, METHODS Invitations to participate in an interview-based follow-up study were sent to 141 women who attended the FAC clinic in 2012. In total, 95 women read the invitation, 35 confirmed interest in participating and 16 declined to participate. Twenty-five interviews were booked and 24 interviews held. Interviews followed a semi-structured format regarding reasons for attending the FAC clinic, if/how their needs were met, and perceptions of fertility assessment and counselling. Data were analysed using thematic analysis. MAIN RESULTS AND THE ROLE OF CHANCE At the follow-up interview, women were on average 39.5 years old. Ten were currently single or dating and 14 were married/cohabiting. All were childless when they attended the FAC clinic. At the follow-up interview, 21 women were parents (14 women with one child; 6 with two children; 1 with three children) and the remaining three women intended to have children in the future. The most common reason for originally attending the FAC clinic was to determine how long they could delay childbearing. Most of the women now believed their needs for attending had been met. Those who were dissatisfied cited a desire for more exact (‘concrete’) information as to their remaining years of fertility, although acknowledged that this was likely not realistic. Women stated that they had felt reassured as to their fertility status after attending the FAC clinic whilst receiving the message that they could not delay childbearing ‘too long’. Women viewed personalized fertility knowledge as an important aid to decision-making but cautioned about developing a false sense of security about their fertility and chance of conceiving in the future based on the results. Although women were generally satisfied with their experience, they wished for more time to discuss options and to receive additional guidance after their initial meeting at the FAC clinic. LIMITATIONS, REASONS FOR CAUTION Participants were from a group of Danish women attending the FAC clinic and interviews were conducted in English, which means they are not representative of all reproductive-aged women. Nevertheless, the study group included a broad spectrum of women who achieved parenthood through different means (heterosexual/lesbian relationship, single parent with donor, co-parent) with various family sizes, and women who were currently childless. WIDER IMPLICATIONS OF THE FINDINGS Our study provides support for an individualized approach to fertility education, assessment and counselling provided at a time when the information is relevant to the individual and their current fertility decision-making. The findings suggest that although satisfied with their visit to the FAC clinic, the women wished for more information and guidance after this visit, suggesting that the current intervention may need to be expanded or new interventions developed to meet these additional needs

    Moderate and heavy metabolic stress interval training improve arterial stiffness and heart rate dynamics in humans

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    Traditional continuous aerobic exercise training attenuates age-related increases of arterial stiffness, however, training studies have not determined whether metabolic stress impacts these favourable effects. Twenty untrained healthy participants (n = 11 heavy metabolic stress interval training, n = 9 moderate metabolic stress interval training) completed 6 weeks of moderate or heavy intensity interval training matched for total work and exercise duration. Carotid artery stiffness, blood pressure contour analysis, and linear and non-linear heart rate variability were assessed before and following training. Overall, carotid arterial stiffness was reduced (p  0.05). This study demonstrates the effectiveness of interval training at improving arterial stiffness and autonomic function, however, the metabolic stress was not a mediator of this effect. In addition, these changes were also independent of improvements in aerobic capacity, which were only induced by training that involved a high metabolic stress

    A Combination of Nutriments Improves Mitochondrial Biogenesis and Function in Skeletal Muscle of Type 2 Diabetic Goto–Kakizaki Rats

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    BACKGROUND: Recent evidence indicates that insulin resistance in skeletal muscle may be related to reduce mitochondrial number and oxidation capacity. However, it is not known whether increasing mitochondrial number and function improves insulin resistance. In the present study, we investigated the effects of a combination of nutrients on insulin resistance and mitochondrial biogenesis/function in skeletal muscle of type 2 diabetic Goto-Kakizaki rats. METHODOLOGY/PRINCIPAL FINDINGS: We demonstrated that defect of glucose and lipid metabolism is associated with low mitochondrial content and reduced mitochondrial enzyme activity in skeletal muscle of the diabetic Goto-Kakizaki rats. The treatment of combination of R-alpha-lipoic acid, acetyl-L-carnitine, nicotinamide, and biotin effectively improved glucose tolerance, decreased the basal insulin secretion and the level of circulating free fatty acid (FFA), and prevented the reduction of mitochondrial biogenesis in skeletal muscle. The nutrients treatment also significantly increased mRNA levels of genes involved in lipid metabolism, including peroxisome proliferator-activated receptor-alpha (Ppar alpha), peroxisome proliferator-activated receptor-delta (Ppar delta), and carnitine palmitoyl transferase-1 (Mcpt-1) and activity of mitochondrial complex I and II in skeletal muscle. All of these effects of mitochondrial nutrients are comparable to that of the antidiabetic drug, pioglitazone. In addition, the treatment with nutrients, unlike pioglitazone, did not cause body weight gain. CONCLUSIONS/SIGNIFICANCE: These data suggest that a combination of mitochondrial targeting nutrients may improve skeletal mitochondrial dysfunction and exert hypoglycemic effects, without causing weight gain

    The Chemistry of Griseofulvin

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