Search Results (233)

This study examined the place of care in early childhood education and the role of the state in the social organization of care in Chile. Official policy documents were reviewed, including the Early Childhood Education Curriculum Framework, Teaching Standards Framework (Marco para la Buena Enseñanza), Law 20.379, and Law 21.805. Following a thematic analysis of these documents, semistructured interviews were conducted with four early childhood teachers to triangulate the findings. The results, presented across three thematic categories, reveal an ambiguity in the state’s positioning, oscillating between its role as a guarantor of rights and a provider of targeted services. Care is also incorporated into the educational sphere in a fragmented manner—as a learning objective and a condition for achieving educational outcomes—without being fully recognized as a constitutive dimension of teaching work. This situation contributes to the invisibilization of teachers as care workers and the reproduction of gender inequalities. The study contributes to the literature by approaching care from an educational perspective, highlighting underexplored tensions and emphasizing the need to incorporate a feminist and intersectional perspective into educational policies to advance the recognition of care as a right and a central component of the teaching profession. Full article

Background/Objectives: Pes planus and pes cavus are common foot deformities, which may lead to pain, functional limitations, and impairment of foot biomechanics. While calcaneal pitch, talar declination, and Meary angles, commonly used in diagnosis, provide objective information, their lack of a gold standard and the observer’s dependence on manual measurements limit their reliability. Therefore, in this study, these angles obtained from weight-bearing lateral foot radiographs were evaluated according to literature references, and the aim was to determine the model that provides the most accurate prediction in the diagnosis of pes planus using machine learning algorithms. It should be emphasized that, because the diagnostic labels were derived from literature-based thresholds of these same angles, the machine-learning task addressed here is the automated reproduction and standardization of expert, angle-threshold-based classification, rather than an independent clinical diagnosis from raw images. Methods: This retrospective study was conducted using weight-bearing lateral foot radiographs of 697 male patients obtained from the archives of public hospitals in Gaziantep. Calcaneal pitch, Meary angle, and talar declination angles were evaluated in both feet, and the data were labeled as normal, pes planus, and pes cavus. The dataset, consisting of a total of 1394 feet, was divided into training and test groups and analyzed using Random Forest, XGBoost, Logistic Regression, Support Vector Machine (SVM), and K-Nearest Neighbors (KNN) algorithms; the diagnostic performance of the models was compared using measures such as accuracy, F1 score, sensitivity, and specificity. Results: A total of 1394 feet from 697 male patients (mean age 24.8 ± 5.57 years) were analyzed using five machine learning algorithms with calcaneal pitch angle (CPA), Meary angle (MA), and talar declination angle (TDA) as reference labels. Ensemble-based methods showed superior performance, with XGBoost achieving perfect classification (Accuracy = 1.000) under all three labels for the left foot and 0.996–1.000 for the right foot, while Random Forest reached 0.986–1.000 across all experiments. Logistic Regression and SVM yielded moderate accuracies (0.905–0.973), whereas KNN consistently performed the weakest (0.905–0.964), particularly in the pes cavus subgroup. The near-perfect accuracy obtained when the labeling angle was itself included among the predictors reflects, at least in part, the algebraic reconstruction of the threshold rule from a same-source variable rather than genuine diagnostic generalization; results should therefore be interpreted with this in mind. Conclusions: This study demonstrates that machine learning, particularly ensemble methods such as XGBoost and Random Forest, provides high accuracy and consistency in diagnosing foot arch deformities based on radiographic angle measurements. Traditional models, such as Logistic Regression, still hold value in terms of clinical interpretability despite their lower performance. The findings suggest that machine learning-based approaches can offer objective, rapid, and reliable decision support tools for diagnosing pes planus and pes cavus, but external validation studies are necessary for clinical generalizability. Full article

Sexuality education is a key component of sexual and reproductive rights; however, important inequities persist across populations, particularly among people with disabilities. This study examines perceived quality of sexuality education in Chile, with a primary focus on disability-related inequities and a specific analytic emphasis on women with disabilities. We analysed data from the 2022–2023 National Survey on Health, Sexuality, and Gender (n = 17,679). The outcome was self-reported perceived quality of sexuality education. Survey-weighted descriptive analyses and ordinal logistic regressions were conducted. One model included the full sample, and a second focused on women with disabilities (n = 2324). Predicted probabilities were estimated for key interactions. Nearly half of participants reported poor sexuality education (47.2%). Predicted probabilities indicated consistently lower probabilities of reporting good sexuality education among people with disabilities across gender groups and most age groups. Among women with disabilities, higher education (secondary: odds ratio (OR) = 2.53, 95% Confidence Interval (CI): 1.84–3.49; tertiary: OR = 1.74, 95% CI: 1.12–2.72), foreign nationality (OR = 2.87, 95% CI: 1.27–6.50), and good self-rated health (OR = 1.74, 95% CI: 1.14–2.66) were associated with higher perceived quality, indicating heterogeneity within this population. These findings highlight consistent disability-related inequities in the perceived quality of sexuality education and underscore the need for inclusive, accessible, and gender-sensitive approaches grounded in human rights. Full article

Enormous genetic diversity exists in rice germplasm, including wild and weedy relatives, though they remain unexplored within in situ or ex situ collections. Characterisation and utilisation of the available biodiversity in plant breeding is essential for the detection of novel traits or genes for climate resilience. In this study, 97 rice genotypes, including 90 rice accessions belonging to various Oryza species and 7 check cultivars with an O. sativa background, were characterised for quantitative morphological characters following the guidelines based on distinctiveness, uniformity and stability (DUS) test by the Protection of Plant Varieties and Farmers’ Rights Authority (PPVFRA), India. Characterisation of the genotypes based on 39 important DUS morphological descriptors revealed polymorphism in 35 traits, confirming high morphological diversity among wild rice accessions and distinguishing and unique traits from other wild accessions for the utilisation in pre-breeding programmes. Genotypes such as WD5_6, WD10_4, and WD3_3 consistently expressed a favourable combination of broad and long leaves, extended panicle length, and well-branched panicles with higher panicle number. In addition, these genotypes showed purple pigmentation across multiple vegetative and reproductive organs, indicating stable and enhanced anthocyanin accumulation. Accessions WD10_4 and WD3_3 also represent valuable donors for panicle architecture and yield component enhancement, while genotypes such as WD17_15 and WD12_8 may serve as specific donors for panicle length and branching traits. Characterisation studies and detection of unique traits provide the empirical foundation for conservation decisions, taxonomic clarity, and pre-breeding applications. Interspecific crosses in the genetic background of elite cultivars with donor species viz., O. barthii, O. glaberrima and O. rufipogon were developed as pre-breeding materials for further crop improvement as well as for the identification of novel genes of agronomic importance. Full article

This qualitative study examines how menstruation structures the lives and futures of married adolescent girls in the Centre for Girls’ Education’s Married Adolescent Safe Spaces (MAS) program in rural northern Nigeria. It addresses a key gap by focusing on married adolescents and treating menstruation as a social process linked to early marriage, schooling, mobility, and sexual and reproductive health, rather than only a hygiene issue. Guided by an intersectional social ecological and menstrual health-and-rights framework, the study draws on three years of ethnographic fieldwork. Methods include participant observation in MAS clubs, in-depth interviews, informal group discussions, and Hausa field notes from multiple rural communities, analyzed through iterative thematic coding and collaborative memoing. Findings show that menstruation operates as a “catalyst of constraint.” Menarche signals sexual maturity, intensifying moral surveillance, prompting threats or realities of school withdrawal, and accelerating pressure toward marriage. Girls describe menstruation as a “joy killer” and becoming “a shadow of myself,” as stains, pain, and shaming by teachers and peers lead to absenteeism and, at times, permanent dropout. Silence and stigma mean that asking questions can be read as promiscuity, pushing girls away from parents, religious leaders, and male teachers and toward sisters, peers, and mentors for incomplete guidance. Structural deprivation further individualizes the burden of menstrual management. Poverty, lack of affordable pads and underwear, and inadequate WASH facilities compel girls to “make do” with cloths and other unsafe materials, restrict movement during bleeding, and engage in small income-generating activities or kin negotiations to obtain basic supplies. MAS safe spaces partially disrupt these patterns by offering rare venues to discuss menstruation openly, learn cycle tracking and hygiene, and build peer solidarity and self-advocacy. However, the analysis underscores that program benefits remain constrained when poverty, weak school infrastructure, and restrictive gender norms remain intact. The study highlights how equitable sexual and reproductive health interventions must integrate menstrual health centrally, combining safe-space programming with subsidized products, improved WASH infrastructure, protective school policies, and norm change efforts. Full article

As an important reproductive trait, teat number plays a vital role in the pork industry, which is related to the ability of sows to host more piglets. However, the genetic mechanism of the teat number in pigs is still not very clear. We collected phenotype data, including the total teat number (TTN), left teat number (LTN), and right teat number (RTN), from 300 Jishen Black (JSB) sows and performed genotyping using a porcine SNP 50K panel. Most JSB sows exhibited 14, 15, or 16 TTN (259, 86%). Only 41 pigs (14%) had TTN values outside this range. Moreover, the LTN and TTN exhibited approximate frequency distribution in the studied population. Seven was the most common LTN and RTN in JSB sows, accounting for 181 (60%) and 173 (57%), respectively. Additionally, these traits exhibited low-to-medium heritability (0.14–0.22). Using the BLINK and FarmCPU models, three, six, and three key loci were identified in the GWAS of TTN, LTN, and RTN, respectively. Additionally, five key genes were detected to play vital roles in teat number traits, including ME1, SCN8A, EVC, UBC, and PDE4D. Our research provided efficient molecular markers and new insights into further improvement and understanding for teat number traits in Jishen Black pigs. Full article

This study aimed to investigate the morphological characteristics and weight of supramammary lymph nodes (SMLNs) in Holstein dairy cows and to evaluate the effects of age and body weight (BW) on these parameters. A total of 19 cows (aged 2–9 years) culled due to reproductive failure (including repeated insemination failure, confirmed open status, or abortion) were divided into 3 groups: high-age (H, ≥6 years, n = 6), middle-age (M, 3–5 years, n = 6), and low-age (L, 2 years, n = 7). Results demonstrated that the weight of SMLNs generally increased with age, although lower values were observed in the limited number of cows older than 7 years. The length and width of SMLNs observed here were markedly larger than those reported in previous ultrasonographic studies. The H group had significantly heavier left, right, and bilateral SMLNs compared to the L group (p < 0.01). The M group exhibited significantly higher BW than the L group (p < 0.01). Correlation analysis revealed a significant positive association between BW and right SMLN weight in the L group (r = 0.774, p < 0.05), and a strong bilateral concordance in SMLN weight across all cows (r = 0.859, p < 0.001). These preliminary findings suggest that SMLN morphology and weight are associated with age and BW, although larger prospective studies with complete health and lactation records are needed to confirm these relationships. Full article

This study examines how Black women navigate spiritual widowhood and cosmological disinheritance in contemporary America through the biblical figure of Ruth. Employing what I call a critical embodied epistemology (CEE)—a womanist methodology integrating Hortense Spillers’ hieroglyphics of the flesh, Michel Foucault’s genealogical analysis, and Emilie Townes’ ethical reimagination—this article analyzes Ruth’s transgressive movements as a template for sacred belonging beyond State-sanctioned citizenship. Against the backdrop of reproductive rights rollbacks, voting restrictions, and the political rejection of Black women’s leadership, the research reveals how African-descended cosmology offers alternative frameworks for community, covenant, and citizenship. Findings demonstrate that Ruth’s embodied risk on the threshing floor models what I term “faith in the fracture”—an insurgent spirituality that refuses to tether sacred belonging to empire. The study contributes to womanist theology, political theology, and diaspora studies by theorizing sacred citizenship as relational rather than national, and by centering embodied knowledge as theological epistemology. Implications include reconceptualizing belonging for all marginalized communities navigating displacement, State abandonment, and cosmological rupture. Full article

Background: The role of religion and faith-based organisations in public health is increasingly examined through the framework of religious health assets (RHAs), defined as resources located in or held by religious entities that may be mobilised for health and development. Within this framework, church health assets (CHAs) are conceptualised as congregationally specific expressions of RHAs, namely, the tangible and intangible resources recognised within local church settings and interpreted by church leaders as relevant to adolescent and youth sexual and reproductive health (AYSRH). Despite growing interest, there remains limited empirical work examining how such assets are perceived in relation to young people’s sexual and reproductive health, particularly from an emic perspective in sub-Saharan Africa. Aim: This study explored how pastors in South Africa’s Vaal Triangle perceive church assets relevant to AYSRH. Methods: The article presents findings from a qualitative study based on in-depth semi-structured interviews with eleven purposively selected pastors from Vanderbijlpark, Vereeniging, and Sasolburg. Data were collected between August 2019 and February 2020, prior to the COVID-19 restrictions that later altered face-to-face engagement in South Africa. Data were analysed using thematic content analysis informed by interpretive description, employing iterative coding, constant comparison, memoing, and a clearly defined audit trail. Results: The findings identified ten perceived CHAs, comprising five tangible assets, interaction spaces, community resources, normative teaching materials, networks and partnerships, and financial resources—and five intangible assets—reputation, voice on sexuality, mission and vision, a ready audience, and embodied messages. Across these themes, pastors predominantly framed AYSRH in moral and pedagogical terms, emphasising abstinence, guidance, and restoration, rather than a broader continuum encompassing information, prevention, care, rights, and service access. Conclusions: The study concludes that pastors perceive churches to possess substantial AYSRH-related assets; however, the analysis reflects perceptions rather than demonstrated implementation or measurable impact. The findings highlight both potential and limitation, indicating that the same assets may function as facilitators or barriers depending on their interpretation and application. The study contributes a pastor-centred, emic account of CHAs within a South African context and underscores the need for future multi-stakeholder research to assess how faith-sensitive AYSRH interventions operate in practice. Full article

Although mass-spawning pooling systems are widely used for small yellow croaker (Larimichthys polyactis) aquaculture, they often induce severe genetic bottlenecks driven by reproductive skew. This study evaluated cross-generational genetic diversity and spawning patterns to propose an optimal genetic management strategy. We analyzed 1049 adult broodstock and 950 juvenile offspring using nine microsatellite markers. To mitigate reproductive skew, fertilized eggs were collected via multi-time sampling (19 times) over a two-month spawning season and reared to the juvenile stage. Genetic diversity was highly conserved across generations, with expected heterozygosity maintained at 0.860 in the offspring. Parentage assignment succeeded for 96.2% of the offspring (914 individuals), revealing 802 unique families, of which 89.9% (721 families) were singletons. Also, 60.9% of the broodstock contributed to reproduction, exhibiting a right-skewed participation distribution. Importantly, comparisons with a short-term single-event collection control group demonstrated that our multi-time strategy effectively prevented drastic reductions in effective population size (N_e). These patterns highlight the species asynchronous spawning physiology and confirm that the strategy approximates random mating with minimal genetic drift. We suggest this long-term, multi-time egg collection method as an effective protocol for the sustainable genetic management of multiple-spawning marine fish. Full article

Nowadays, it is central to generate innovations that convert agricultural by-products and food waste into valuable animal products while promoting the long-term resilience and sustainability of vulnerable animal production systems. Nutraceuticals (i.e., ‘nutrition + pharmaceutical’) are derived from foods that offer health benefits. In animal production, nutraceutical supplementation with Withania somnifera and Lepidium meyenii has shown positive effects on the endocrine, cardiopulmonary, and central nervous systems. We aimed to evaluate the possible impact of nutraceutical supplementation on rams fed a diet based on surplus feed from a highly industrialized Holstein cow production system, on corporal (live weight [LW], kg; body condition score [BCS], units), metabolic (blood glucose [GLU], mg dL⁻¹; serum protein [PRO], g 100 mL⁻¹), and sexual–testicular variables [sexual odor (ODOR, units); scrotal circumference (SC, cm); testicular volumes (TVOL, cm³); and estimated daily sperm production (EDSP, millions)]. Black Belly rams (n = 12; LW = 70.36 ± 1.2 kg; BCS = 2.96 ± 0.03 units; age = 3.8 ± 0.2 years; 25° N) were divided into 3 experimental groups: (1) WITH, supplemented with Withania somnifera (400 mg kg⁻¹ LW d⁻¹); (2) LEPI, supplemented with Lepidium meyenii (400 mg kg⁻¹ LW d⁻¹); and (3) CONT, not supplemented. The variables LW, BCS, GLU, PRO, and SC, as well as some components of TVOL, did not differ (p > 0.05) among the main effects of treatment or time; only ODOR, right transverse testicular diameter, and total testicular volume differed among treatments, generally favoring the WITH group. Furthermore, the TRT × T interaction demonstrated superior performance (p < 0.05) in the WITH group, with the largest values for LW, GLU, PRO, ODOR, SC, width of the right testicle, volume of the right testicle, total testicular volume, and EDSP. From a productive–reproductive perspective, the Robin Hood Effect—through the use of rejected dairy cattle rations as the base diet for rams—and supplemented with nutraceuticals (WITH and LEPI), emerges as a viable alternative to improve not only the productive–reproductive performance of Black Belly rams, but also other productive and socioeconomic outcomes; the latter contributing to the strengthening of producer and family well-being. Full article

This article formulates guidelines for the transactional regulation of surrogacy in Colombia, based on a comparative analysis with the Mexican regulatory model, especially in the states of Tabasco and Sinaloa. To this end, a qualitative methodology was adopted by applying the technique of comparative law to simultaneously analyze the regulations of the focused Mexican states and the most recent (now shelved) initiative in Colombian law, identifying significant contributions to national progress in surrogacy through the theory of legal transactions, the principle of solidarity, and the right to found a family. The results show that, although Colombia had tried to progress in recognizing procreative will as the basis for filiation and has attempted regulatory adjustments to the civil registry, serious regulatory gaps persisted in the design of post-contractual mechanisms, especially regarding the prevention of human trafficking, the well-being of gestational carriers, institutional monitoring, and the guarantee of breastfeeding. The conclusions show that effective regulation should not focus exclusively on formalizing agreements between adults but should also guarantee the fundamental rights of the child from birth. In contrast, the Mexican model offers valuable tools to enrich the Colombian debate, but it also has some shortcomings that warrant revision. Therefore, this study contributes to the Colombian legislative discussion by calling for comprehensive regulation guided by the dignity of all the involved subjects and based on comparative experiences. Full article

Therapeutic termination of pregnancy (TToP) represents an intervention that is performed for medical reasons, such as risks to maternal health or severe fetal anomalies. Advances in prenatal screening and diagnostic tools—including serum markers, ultrasound, cell-free fetal DNA, chorionic villus sampling and amniocentesis—have significantly improved early detection and clinical decision-making. This narrative review synthesizes current knowledge on the genetic, environmental and psychosocial determinants that influence the decision of the patients to pursue TToP. The literature search was performed primarily using PubMed database, while Scopus and Google Scholar were used to identify additional relevant studies. Some of the selected studies, as well as certain sections of this review, address both therapeutic and voluntary termination of pregnancy, whereas others focus exclusively on TToP. Moreover, this review describes the types of abortion (medical or surgical/aspiration) along with their management strategies to prevent or address potential complications. It is well known that demographic, cultural and socio-economic factors continue to influence the access to TToP, as well as the perceptions of it. Psychiatric comorbidities (such as anxiety, affective and psychotic disorders) are observed with a higher prevalence among women undergoing TToP and may influence both the decision and psychological outcomes post-procedure. While most women report emotional relief after TToP, some of them experience depression, post-traumatic stress disorder or substance misuse. Legal and ethical considerations further complicate access to safe abortion, leading to situations where patients may resort to unsafe procedures, which result in higher rates of morbidity and mortality. Data from the EUROCAT network show rising trends in congenital anomalies like trisomy 13, trisomy 18 and caudal regression syndrome (conditions commonly associated with TToP). Therefore, it is mandatory to form a multidisciplinary team in these cases, integrating medical, psychological and ethical dimensions. Ensuring safe, evidence-based and compassionate access to TToP remains a critical component of reproductive healthcare. Full article

One of the most important aspects of animal production is the reproductive behavior, where a widely used strategy in small ruminants is the “male effect”. However, the response to this effect can vary depending on several factors, including the social rank (SR) of both sexes. The objective of this study was to evaluate how SR influences morphometric and socio-sexual variables in Dorper sheep in Northern Mexico. Through behavioral tests, 33 rams and 59 ewes were divided into two groups taking into account their SR. Rams included high SR (HSR; n = 14) and low SR (LSR; n = 19), while ewes included HSR (n = 23) and LSR (n = 36). Morphometric response variables included age, live weight, body condition, thoracic circumference, wither height, presence of horns, and testicular circumference, whereas reproductive variables included estrus rate, ovulation rate, corpus luteum, left ovary, right ovary, pregnancy rate, and embryos’ number. The results showed no differences (p > 0.05) for the morphometric variables considered, whilst, regarding the reproductive variables, the LSR rams × HSR ewes group showed the highest number of embryos (p < 0.05), and the corpus luteum number was higher in the HSR rams × HSR ewes group (p < 0.05). However, no significant differences were found for the remaining variables (p > 0.05). Improving productive and reproductive performance can contribute to increased income for sheep farmers. Full article

Surgical simulation on 3D-printed anatomical models is an increasingly important tool for training in mastoidectomy and cholesteatoma surgery. Previous studies have demonstrated the possibility of obtaining accurate models of the temporal bone from CT images and 3D segmentation and printing processes. However, critical issues remain regarding the accurate reproduction of the ossicular chain and the reproducibility of millability behavior that is similar to that of human bone, as well as the need for pathological models dedicated to the simulation of specific clinical scenarios. We based our enhanced models of the temporal bone on two specialized pathological models: a right temporal bone with an epitympanic cholesteatoma that extended from the antral cell to the ossicular chain and a left temporal bone with a cholesteatoma that extended from the mastoid to the ossicular chain. The optimizations were intended to enhance the fidelity of delicate features and enhance milling performance in order to achieve a more realistic simulation. Advanced anatomical models with greater definition of the ossicular chain and two pathological models characterized by different extensions of the cholesteatoma were obtained and were designed to allow the surgical exploration and controlled removal of pathological tissue. Full article