Publications by authors named "Symon A"

Background: Quality maternity care is known to improve a range of maternal and neonatal outcomes. The Lancet Series on Midwifery's Quality Maternal and Newborn Care (QMNC) Framework is a high-level synthesis of the global evidence on quality maternity care. Initial qualitative work demonstrated the Framework's adaptability in evaluating service user and provider perceptions of the quality of maternity care.

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Background: Patient-Reported Outcomes or Experience Measures (PROMS / PREMS) are routinely used in clinical studies to assess participants' views and experiences of trial interventions and related quality of life. Purely quantitative approaches lack the necessary detail and flexibility to understand the real-world impact of study interventions on participants, according to their own priorities. Conversely, purely qualitative assessments are time consuming and usually restricted to a small, possibly unrepresentative, sub-sample.

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Background: The Quality Maternal and Newborn Care (QMNC) Framework describes the care that childbearing women and newborn infants need in all settings. It comprises five components and was designed for use in planning, workforce development, and resource allocation, aimed at improving the quality and cost effectiveness of maternal and newborn care globally. The purpose of this paper is to describe the first phase of a project designed to transform the Framework into a quantitative tool for service user assessment of the quality of maternity care.

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Studies of the current Chilean population performed using classical genetic markers have established that the Chilean population originated primarily from the admixture of European people, particularly Spaniards, and Amerindians. A socioeconomic-ethno-genetic cline was established soon after the conquest. Spaniards born in Spain or Chile occupied the highest Socioeconomic Strata, while Amerindians belonged to the lowest.

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Background: Breastfeeding duration has declined in the Kingdom of Saudi Arabia (KSA) in recent decades, although accurate national data about different breastfeeding indicators by infant age are lacking. This qualitative study, the first in KSA, aimed to understand the factors affecting mothers' decisions and experiences regarding any breastfeeding practices.

Methods: A qualitative phenomenological approach was used to investigate mothers' experiences of breastfeeding.

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Introduction: Continuity of midwifery carer improves outcomes, but there is significant variation in how such schemes are implemented and evaluated cross-culturally. The Angus home birth scheme in Scotland incorporates continuity of carer throughout pregnancy, labor, birth, and the postnatal period.

Methods: Manual maternity case note review to evaluate the 80% continuity of carer and 3% planned home birth rate targets.

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Introduction: Innovative midwifery schemes must be robustly evaluated to establish whether they should be modified or can be replicated. Assessing quality of care can help to ascertain a scheme's acceptability and effectiveness. We used an established quality care framework as a benchmark in our qualitative evaluation of a combined continuity of caregiver and planned home birth scheme in Scotland.

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Background: Current South American populations trace their origins mainly to three continental ancestries, i.e. European, Amerindian and African.

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Background: Many infants worldwide are not breastfeeding according to WHO recommendations and this impacts on the health of women and children. Increasing breastfeeding is identified as a priority area supported by current policy targets. However, interventions are complex and multi-component and it is unclear which elements of interventions are most effective to increase breastfeeding in which settings.

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The paper reports an integrative literature review of research into the psychosocial factors which shape the transition to parenthood in couples following non-donor fertilization in comparison with those conceiving spontaneously. Nineteen papers of non-donor IVF and SC mothers and fathers were included. Differences between groups were reported for a range of psychosocial measures during the transition from pregnancy to parenthood including: the control couples feel they have over their lives (locus of control), parental adjustment and child behaviour, parental stress, parental investment in the child, self-esteem and self-efficacy, greater levels of protectiveness (separation anxiety) towards child, marital and family functioning, family alliance, marital satisfaction and communication, as well as anxiety, indirect aggression and lowered respect for the child.

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Problem: Midwifery-led continuity of care has well documented evidence of benefits for mothers and babies, however uptake of these models by Australian maternity services has been slow.

Background: It is estimated that only 10% of women have access to midwifery-led continuity of care in Australia. The Quality Maternal Newborn Care (QMNC) Framework has been developed as a way to implement and upscale health systems that meet the needs of childbearing women and their infants.

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Objective: There is evidence that continuity of care - increasingly a focus of maternity care policy in the UK - contributes to improved outcomes. However, uncertainty remains about which models of care are most effective in which circumstances, and why this is. A plausible explanation is grounded in the idea that the continuity elements of care contribute to and reinforce best quality care.

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Objective: The Quality Maternal and Newborn Care Framework describes the components and characteristics of quality care and emphasises relational and continuity elements. Continuity of care is increasingly a focus of maternity care policy in the United Kingdom. While some outcomes have been shown to be improved, there is uncertainty about why certain models of care are more effective.

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Background: Recent evidence indicates that continuity models of maternity care result in improved clinical and psychosocial outcomes, but their causal mechanisms are poorly understood. The recent Lancet Series on Midwifery's Quality Maternal and Newborn Care Framework describes five components of quality care and their associated characteristics. As an initial step in developing this Framework into an evaluation toolkit, we transformed its components and characteristics into a topic guide to assess stakeholder perceptions and experiences of care provided and received.

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Background: Disorders of sex development (DSD) have an estimated frequency of 0.5% of live births encompassing a variety of urogenital anomalies ranging from mild hypospadias to a discrepancy between sex chromosomes and external genitalia. In order to identify the underlying genetic etiology, we had performed exome sequencing in a subset of DSD cases with 46,XY karyotype and were able to identify the causative genetic variant in 35% of cases.

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Appropriate infant and young child feeding (IYCF) is key to reducing mortality amongst children aged under 2. Facilitating adherence to recommended IYCF practices during emergencies includes having relevant policies to support breastfeeding and complementary feeding as well as regulating the distribution of breast milk substitutes. In the current crisis, more than 1.

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Changes in allosteric regulation of glycolytic enzymes have been linked to metabolic reprogramming involved in cancer. Remarkably, allosteric mechanisms control enzyme function at significantly shorter time-scales compared to the long-term effects of metabolic reprogramming on cell proliferation. It remains unclear if and how the speed and reversibility afforded by rapid allosteric control of metabolic enzymes is important for cell proliferation.

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In mammalian embryonic gonads, SOX9 is required for the determination of Sertoli cells that orchestrate testis morphogenesis. To identify genetic networks directly regulated by SOX9, we combined analysis of SOX9-bound chromatin regions from murine and bovine foetal testes with sequencing of RNA samples from mouse testes lacking Sox9. We found that SOX9 controls a conserved genetic programme that involves most of the sex-determining genes.

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The SOX9 transcription factor controls the differentiation of many cell types among vertebrates. The SOX9 gene locus is large and complex and contains various tissue-specific enhancers. Individual enhancers direct specific expression of SOX9 in chondrocytes, Sertoli cells and cranial neural crest cells.

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Background: Antenatal care models vary widely around the world, reflecting local contexts, drivers and resources. Randomised controlled trials (RCTs) have tested the impact of multi-component antenatal care interventions on service delivery and outcomes in many countries since the 1980s. Some have applied entirely new schemes, while others have modified existing care delivery approaches.

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Introduction: Heavy episodic ("binge") drinking among women in Scotland is commonplace; prepregnancy drinking is associated with continued antenatal drinking. Evidence for effectiveness of standardized antenatal alcohol assessment is lacking. Alcohol-exposed pregnancies may be missed.

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Background: Alcohol-related mortality and morbidity among women has increased over recent decades, especially in areas of higher deprivation. Pre-pregnancy alcohol use is associated with continued consumption in pregnancy. We assessed whether general population alcohol consumption patterns were reflected among pregnant women in two Scottish areas with different deprivation levels.

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Aims: The aim of this study was to evaluate the use of a 7-day Retrospective Diary to assess peri-conceptual and mid-pregnancy alcohol consumption.

Background: Alcohol consumption among women has increased significantly and is of international concern. Heavy episodic ('binge') drinking is commonplace and is associated with unintended pregnancy.

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Background: Implementing effective antenatal care models is a key global policy goal. However, the mechanisms of action of these multi-faceted models that would allow widespread implementation are seldom examined and poorly understood. In existing care model analyses there is little distinction between what is done, how it is done, and who does it.

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