ABSTRACT The term 'stealthing' refers to non-consensual condom removal during sexual intercourse. This practice carried out against the will of the person who agreed to engage in sexual intercourse under specific modalities, such as the use of a condom, which, in turn, translates to a disruption in the consent. This article argues that in Chile the deficient regulation of sexual and reproductive rights wouldn't allow the bill about the non-consensual removal of the condom in a sexual intercourse respond to this phenomenon and its normalization. To develop this idea, has been reviewed the legal and jurisprudential situation of countries such as the United Kingdom, New Zealand, Germany, Netherlands, United States, Costa Rica and Colombia, as well as the pronouncement of international law on the sexual and reproductive rights. The article concludes that the lack of regulations on these rights encourages the normalization of sexually abusive behavior.

RESUMEN El término stealthing designa al retiro no consentido del preservativo durante una relación sexual. Esta práctica es realizada ante la negativa o con el desconocimiento de quien consintió tener relaciones sexuales bajo condiciones específicas, como el uso de condón, lo cual genera un quiebre en el consentimiento. Este artículo argumenta que en Chile la deficiente regulación de los derechos sexuales y reproductivos no permitiría que el proyecto de ley que busca sancionar la remoción no consentida del condón en una relación sexual dé respuesta a este fenómeno y su normalización. Para desarrollar esta idea se ha revisado tanto la situación normativa como la jurisprudencial de países como Reino Unido, Nueva Zelanda, Alemania, Países Bajos, Estados Unidos, Costa Rica y Colombia, al igual que el pronunciamiento del derecho internacional sobre los derechos sexuales y reproductivos. El artículo concluye que la falta de normativa sobre estos derechos insta a la normalización de conductas atentatorias contra la sexualidad y la reproducción.

Abstract The purpose of this research is to analyze the classification of female university students based on their unfaithful behavior, describing each category by their communication styles as a couple and sexual behavior. 454 university women aged 18 to 28 years participated (x̄ = 20.28; σ = 1.785). Each variable was measured with valid and reliable instruments. A multivariate analysis was carried out with the infidelity variable, identifying three groups: “Desire for a romantic bond”, “fidelity” and “non-fidelity”. An ANOVA was used to contrast the three groups, finding differences according to the variables couple communication and sexual behavior. It is concluded that the “not-fidelity” group is more socially receptive and communicates positively and kindly with their partners, demonstrating fewer seductive behaviors; the “Desire for a romantic bond” group shows a negative communication style with their partners, and greater sexual behavior; and the “fidelity” group shows more seduction behaviors than the other two groups.

Resumen El objetivo del estudio fue analizar la clasificación de estudiantes universitarias en función de su comportamiento infiel utilizando las categorías: estilos de comunicación en pareja y conducta sexual. Participaron 454 mujeres universitarias de 18 a 28 años (x̄ = 20.28; σ = 1.785). Se utilizaron instrumentos válidos y confiables. Se realizó un análisis multivariado con la variable infidelidad, identificándose tres grupos: “Deseo de vínculo romántico”, “Infieles” y “No infieles”. Se empleó un ANOVA para contrastar a los tres grupos, encontrándose diferencias de acuerdo con las variables comunicación de pareja y conducta sexual. Se concluye que el grupo “No infieles” es más receptivo socialmente y se comunica positiva y amablemente con sus parejas, demostrando menos conductas seductoras; el grupo “Deseo de vínculo romántico” muestra un estilo de comunicación negativo con sus parejas, y mayor conducta sexual; y el grupo “Infieles” manifiesta más conductas de seducción que los otros dos grupos.

SIGNIFICANCE: A paper recently published in AIDS and Behavior on 20 February 2024, authored by Trickey et al.¹, argues that drought potentially increases HIV (Human Immunodeficiency Virus) transmission in sub-Saharan Africa. They established a positive correlation between drought, poverty, sexual behaviour, and HIV contraction. The study's methodology is problematic, and does not consider key confounding factors, utilises data which is subject to biases, and utilises inappropriate means to define drought. We do not dispute the possibility that links exist between these variables, but assert that the data and methods used in this study are insufficient to support such a claim.

Resumo O uso de preservativos pode ser influenciado por aspectos psicológicos e socioculturais, que podem ser modulados por atitudes individuais. O objetivo foi propor uma versão em português brasileiro da Short-Form Condom Attitude Scale (Short-Form CAS), descrevendo os procedimentos de tradução, adaptação transcultural e avaliação das propriedades psicométricas em uma amostra de universitários. Trata-se de estudo transversal com estudantes matriculados na Universidade de São Paulo (USP), Campus Ribeirão Preto (n = 491; 61,2% feminino; média de idade: 22 anos; desvio-padrão: quatro anos). Foi realizada análise fatorial confirmatória. O modelo unifatorial com sete itens apresentou boa validade fatorial e confiabilidade, sugerindo ser a melhor solução fatorial para a Short-Form CAS. Há poucos estudos sobre os fatores comportamentais associados ao uso de preservativos em populações-chave, o que pode ser influenciado pela falta de instrumentos. A principal contribuição deste estudo foi propor uma versão simples e adaptada transculturalmente da Short-Form CAS com algumas propriedades psicométricas verificadas. Uma vez que o uso de preservativos é um componente do comportamento sexual de risco, a escala se apresenta como uma nova opção para futuros estudos na população brasileira. socioculturais individuais ShortForm Short Form CAS, , CAS) tradução universitários Tratase Trata USP, USP (USP) n 491 612 61 2 61,2 feminino idade anos desviopadrão desvio padrão desvio-padrão anos. . anos) confirmatória confiabilidade populaçõeschave, populaçõeschave populações chave, chave populações-chave instrumentos verificadas risco brasileira (USP 49 6 61, 4

Abstract The condom use can be influenced by psychological and sociocultural aspects, which can be modulated by individual’s attitudes. The aim was to propose a Brazilian Portuguese version of the Short-Form Condom Attitude Scale (Short-Form CAS), describing all procedures of translation, transcultural adaptation, and psychometric properties evaluation when applied to undergraduate students. A cross sectional study was conducted among students enrolled at University of São Paulo (USP), Campus Ribeirão Preto (n = 491; 61.2% female; average age: 22 years; standard deviation: four years). Confirmatory factor analysis was performed. A one-factor model with seven items exhibited good factorial validity and reliability, suggesting to be a better factorial solution of the Short-Form CAS in the sample. Few studies have been carried out on the behavioral factors associated with condom use in key populations, which can be exacerbated by a lack of appropriate scales. Therefore, the main contribution of the present study was to propose a simplified and transculturally adapted version of the Short-form CAS with some psychometric properties verified. Since the use of condoms is a component of the study of sexual risk behavior, this scale might be an option to be applied in various Brazilian population segments for this purpose. aspects individuals individual s attitudes ShortForm Short Form CAS, , CAS) translation adaptation USP, USP (USP) n 491 612 61 2 61.2 female age years deviation years. . years) performed onefactor one reliability sample populations scales Therefore Shortform form verified behavior purpose (USP 49 6 61. 4

RESUMEN Introducción: En el Conflicto Trabajo-Familia aparecen exigencias laborales incompatibles con actividades del rol familiar, puede presentarse en tres formas: conflicto basado en tiempo, en comportamiento y en tensión generada; esto dos direcciones trabajo-familia o familia-trabajo. La migración laboral conlleva desventajas que vulneran los derechos de los trabajadores exponiéndose a condiciones de empleo desfavorables para su salud. Objetivo: Analizar investigaciones publicadas, su alcance y algunas lagunas de conocimiento sobre el conflicto trabajo-familia en trabajadores migrantes a nivel mundial. Métodos: Búsqueda sistemática de estudios publicados en bases de datos Scopus, Google académico, EBSCOhost, ScienceDirect y Medline del período 1990-2023, siguiendo directrices PRISMA, se incluyeron 19 publicaciones. Resultados: Se identificó la relación entre este tipo de conflicto y el apoyo organizacional, la satisfacción laboral, la condición migratoria de los trabajadores, factores individuales cómo género, número de hijos y actividades de cuidados relacionadas a síntomas psicológicos, la ausencia de prestaciones sociales, así como el papel de la cultura y las redes de apoyo social entre los trabajadores migrantes. Conclusión: El conflicto Trabajo-Familia se relacionó con factores individuales, organizacionales y culturales de trabajadores migrantes, se requieren investigaciones que aborden las políticas de seguridad y salud, el acceso a servicios asistenciales de cuidado, la regulación de jornadas de trabajo con el inherente respeto a la cultura de origen, la diversidad genérica y sexual así como las formas de convivencia.

ABSTRACT Introduction: In Work-Family Conflict, work demands appear that are incompatible with family role activities; it can occur in three forms: conflict based on time, behavior and generated tension; this two directions work-family or family-work. Labor migration entails disadvantages that violate the rights of workers, exposing them to employment conditions that are unfavorable to their health. Objective: Analyze published research, its scope and some gaps in knowledge about work-family conflict in migrant workers worldwide. Methods: Systematic search of studies published in Scopus, Google Scholar, EBSCOhost, ScienceDirect and Medline databases from the period 1990-2023, following PRISMA guidelines, 19 publications were included. Results: The relationship was identified between this type of conflict and organizational support, job satisfaction, the migratory status of workers, individual factors such as gender, number of children and care activities related to psychological symptoms, the absence of social benefits, as well as the role of culture and social support networks among migrant workers. Conclusion: Work-Family Conflict was related to individual, organizational and cultural factors of migrant workers; research is required that addresses health and safety policies, access to care services, and the regulation of work hours with inherent respect. to the culture of origin, gender and sexual diversity as well as forms of coexistence.

RESUMEN Introducción: La adolescencia se caracteriza por una etapa de cambios que pueden implicar la aparición de conductas como el consumo de sustancias, las conductas sexuales de riesgo, la conducta suicida y la violencia, entre otras; es por ello que prácticas como el Mindfulness y la habilidad para percibir, comprender y regular emociones como la Inteligencia Emocional (IE) han mostrado efectos sobre dichas conductas. Objetivo: Analizar la evidencia científica disponible sobre el Mindfulness y la Inteligencia Emocional en los adolescentes. Material y métodos: Se realizó una revisión sistemática, para la estrategia de búsqueda se utilizaron descriptores en los idiomas inglés (Mindfulness, emotional intelligence, adolescent) y español (atención plena, inteligencia emocional, adolescente). Resultados: Se identificó que existe una relación y efecto positivo y significativo entre la práctica del Mindfulness y la Inteligencia Emocional. Conclusión: Los participantes con mayor nivel de atención plena son aquellos que tienen mejores capacidades de regulación emocional, de ser más conscientes de sus emociones, competentes para hacer frente a los problemas y tienen mejores relaciones interpersonales.

ABSTRACT Introduction: Adolescence is characterized by a stage of changes that may involve the appearance of behaviors such as substance use, risky sexual behaviors, suicidal behavior and violence, among others, which is why practices such as Mindfulness and the ability to perceive, understand and regulate emotions such as Emotional Intelligence (EI) have shown effects on such behaviors. Objective: To analyze the available scientific evidence on Mindfulness and Emotional Intelligence in adolescents. Material and methods: A systematic review was carried out, using descriptors in English (Mindfulness, "emotional intelligence", "adolescent") and Spanish ("atención plena", "inteligencia emocional", "adolescente") for the search strategy. Results: It was identified that there is a positive and significant relationship and effect between the practice of Mindfulness and Emotional Intelligence. Conclusion: Participants with a higher level of mindfulness are those who have better emotional regulation skills, are more aware of their emotions, competent to cope with problems and have better interpersonal relationships.

Abstract Objective: To determine the relationship between sexual and reproductive empowerment, knowledge of sexual rights and safe sexual behavior in young Mexicans. Materials and methods: The study was descriptive, correlational and cross-sectional. The sample consisted of 111 young people from Chihuahua, Mexico, who were selected at convenience. The information was collected through an online survey. Results: A significant difference in sexual and reproductive empowerment was found between men and women (p < 0.001), with men presenting higher scores (Mdn= 92.39) compared to women (Mdn= 79.34). No relationship was found between sexual and reproductive empowerment, knowledge about sexual rights and safe sexual behavior of these young people. Conclusion: The young people presented a high level of knowledge about sexual rights. In relation to sexual and reproductive empowerment, males presented higher scores than females. Safe sexual behavior was lower than in other studies in similar populations. In addition, no relationship was found between sexual and reproductive empowerment and knowledge of sexual rights and safe sexual behavior in this population, which emphasizes the need to continue studying these variables due to the scarcity of studies in this population.

Resumen Objetivo: Determinar la relación entre el empoderamiento sexual y reproductivo, el conocimiento sobre derechos sexuales con la conducta sexual segura en jóvenes mexicanos. Materiales y métodos: El estudio fue descriptivo, correlacional y transversal. La muestra fue de 111 jóvenes de Chihuahua, México, los cuales se seleccionaron a conveniencia. La información se recolectó mediante una encuesta en línea. Resultados: Se encontró diferencia significativa del empoderamiento sexual y reproductivo entre hombres y mujeres (p < 0.001), los hombres presentaron puntajes más altos (Mdn= 92.39) comparados con las mujeres (Mdn= 79.34). No se encontró relación entre el empoderamiento sexual y reproductivo, el conocimiento sobre derechos sexuales con la conducta sexual segura de estos jóvenes. Conclusión: Los jóvenes presentaron un alto nivel de conocimiento sobre los derechos sexuales. Con relación al empoderamiento sexual y reproductivo, los hombres presentaron mayores puntuaciones que las mujeres. La conducta sexual segura fue menor que en otros estudios en poblaciones similares. Además, no se encontró relación entre el empoderamiento sexual y reproductivo, y el conocimiento sobre derechos sexuales con la conducta sexual segura en esta población, por lo que se enfatiza la necesidad de continuar estudiando estas variables debido a los escasos estudios en esta población.

RESUMEN Fundamento el estudio de la fecundidad adolescente, así como su cambio en el tiempo es de gran importancia, ya que permite mostrar los avances o retrocesos de la misma. Objetivo caracterizar el comportamiento de la fecundidad adolescente en la provincia de Cienfuegos. Métodos estudio descriptivo, de corte transversal, que tuvo como universo de investigación toda la población femenina de 15-49 años de Cienfuegos en el período 2012-2021, así como los nacimientos ocurridos por este grupo de edad, además los de las madres menores de 15 años. Se analizaron los indicadores: tasa específica de fecundidad, haciendo énfasis en la tasa de fecundidad adolescente (15-19 años), edad media y peso de la tasa de fecundidad adolescente al total de la fecundidad. Los datos fueron obtenidos de los anuarios estadísticos de la Oficina Nacional de Estadística e Información, de la Dirección Nacional y Provincial de Estadísticas del Ministerio de Salud Pública. Resultados la tasa de fecundidad adolescente presenta ligeras oscilaciones, pasando de 46,7 hijos por mujer en el año 2012 a 45, 4 en el 2021. El grupo de edad de mayor fecundidad es el 20-24 años, la edad media se ubica en el grupo etario 25-29 años y los municipios de mayor peso a la fecundidad total son Abreus y Aguada de Pasajeros. Conclusiones la tasa de fecundidad adolescente muestra resistencia a la disminución, comportamiento que demuestra la necesidad de enfatizar en las políticas y estrategias de educación sexual a los grupos de edades más vulnerables dentro del grupo reproductivo.

ABSTRACT Foundation: the adolescent fertility study, as well as its change over time, is of great importance, since it allows us to show its progress or setbacks. Objective: characterize the fertility behavior in the Cienfuegos province. Methods: descriptive, cross-sectional study, which had as the research universe the entire female population aged 15-49 years old of Cienfuegos from 2012 to 2021, as well as the births that occurred in this age group, in addition to those of 15 years old younger mothers. The analyzed indicators were: specific fertility rate, emphasizing the adolescent fertility rate (15-19 years old), average age and weight of the adolescent fertility rate to total fertility. The data were obtained from the National Office of Statistics and Information statistical yearbooks, of the National and Provincial Public Health Ministry Directorate of Statistics. Results: the adolescent fertility rate presents slight oscillations, going from 46.7 children per woman in 2012 to 45.4 in 2021. The age group with the highest fertility is 20-24 years old, the average age is in the age group 25-29 years old and the municipalities with the greatest weight in total fertility are Abreus and Aguada de Pasajeros. Conclusions: the adolescent fertility rate shows resistance to decline, a behavior that demonstrates the need to emphasize sexual education policies and strategies for the most vulnerable age groups within the reproductive group.

The COVID-19 pandemic and lockdown measures brought about significant changes in social structures and family organization, factors that contributed to an increase in risk factors for childhood and adolescence. This is particularly evident in relation to experiences of victimization and their impact on mental health. Method: The sample consists of 125 individuals aged 14 to 18 (M = 15.65; SD = 1.22), participants in outpatient intervention projects within the SENAME/Mejor Niñez protection network. Results: 38.7 % of the sample reported some form of victimization since the beginning of the lock-down, with 14.1 % positioning themselves as polyvictims having experienced 3 or more victimization events. Additionally, 34.4 % of the young individuals expressed some form of suicidal behavior. Gender, sexual orientation, and polyvictimization are variables that significantly contribute to suicidal behavior. Conclusions: The analyzed sample shows a lower prevalence of victimization compared to previous studies with the general population, which may indicate that restrictive measures could have acted as a protective factor in vulnerable youth. Victimization, particularly the accumulation of experiences of violence, plays a relevant and understudied role in the increase of suicidal behavior during the pandemic period.

El COVID-19 y las medidas de confinamiento generaron cambios importantes en las estructuras sociales y en la organización familiar que propiciaron el aumento en los factores de riesgo para la infancia y la adolescencia, en relación con experiencias de victimización e impacto en la salud mental. Método: la muestra está conformada por 125 jóvenes de 14 a 18 años (M = 15.65; DT = 1.22), pertenecientes a proyectos de intervención ambulatoria de la red de protección de Sename/Mejor Niñez. Resultados: un 38.7 % de la muestra reportó alguna forma de victimización desde el inicio del confinamiento, un 14.1 % de la muestra se posicionó como polivíctima al vivir 3 o más experiencias de victimización, y un 34.4 % de los jóvenes manifestó algún tipo de conducta suicida. El género, la orientación sexual y la polivictimización son variables que contribuyen significativamente a la conducta suicida. Conclusiones: la muestra analizada evidencia una prevalencia de victimización inferior a estudios anteriores con población general, lo que puede indicar que las medidas restrictivas podrían haber actuado como factor protector en jóvenes vulnerables. La victimización, y especialmente la acumulación de experiencias de violencia, desempeña un papel relevante y poco estudiado en el aumento de la conducta suicida durante el periodo pandémico.

Abstract Daily rhythms of behavior and their synchronization in relevant social contexts are fundamental for the survival and reproductive success of all animal species. South American annual fish are adapted to extreme environmental conditions, where the ponds they inhabit dry out as the year progresses, while engaging in reproductive behavior from sexual maturity to death. The ever-changing environmental cycles these species are subjected to makes them an excellent model for studying the expression of biological rhythms in nature. In this work we show for the first time that Garcialebias reicherti, an annual fish native to Uruguay shows daily rhythms in both their locomotor and reproductive behavior. This species shows diurnal behavioral patterns, with neither sex nor reproductive context affecting the phase relationship between the light/dark cycle and activity. However, reproductive context modulates the amount of locomotor activity and leads to synchronization between members of the dyads, while introducing a second behavioral rhythm for reproductive events. Reproductive context emerges as a significant modulator of rhythmic behavior, driving circadian rhythms synchronization alongside environmental zeitgebers, while illuminating the complexity of physiological and behavioral coordination. conditions progresses death everchanging ever changing nature reicherti patterns lightdark light dark However dyads events zeitgebers coordination

Resumen Los ritmos diarios de la conducta y su sincronización en contextos sociales relevantes son fundamentales para la supervivencia y el éxito reproductivo. Los peces anuales sudamericanos están adaptados a condiciones ambientales extremas, donde los charcos que habitan se secan a medida que avanza el año, mientras despliegan conducta reproductiva desde la madurez sexual hasta su muerte. Los ciclos ambientales extremos a los que estas especies están expuestas las convierten en un modelo excelente para estudiar la expresión de los ritmos biológicos en la naturaleza. En este trabajo mostramos por primera vez que Garcialebias reicherti, un pez anual nativo de Uruguay, muestra ritmos diarios tanto en su comportamiento locomotor como reproductivo. Esta especie muestra patrones de comportamiento diurnos, sin que el sexo ni el contexto reproductivo afecten el enganche de fase entre el fotoperiodo y la conducta. Sin embargo, el contexto reproductivo modula la cantidad de actividad locomotora y promueve la sincronización entre los integrantes de las díadas, al tiempo que introduce el comportamiento reproductivo como otro ritmo conductual. El contexto social emerge como un modulador significativo de la conducta rítmica, funcionando en conjunto con los zitegebers ambientales, poniendo en evidencia una compleja coordinación fisiológica y conductual. extremas año muerte naturaleza reicherti Uruguay diurnos embargo díadas conductual rítmica

Abstract This article evaluated the prevalence and factors associated with risky sexual behavior (RSB) among Brazilian school adolescents. This is a cross-sectional study with data collected from the National Survey of School Health, 2019 edition, with a representative sample of 7th grade of elementary school to 3rd year of high school Brazilian school adolescents. This work evaluated sociodemographic, behavioral, sexual and reproductive health, mental health, sociability characteristics, medical advice received at school, and body image. RSB was characterized as the non-use of a condom during sexual intercourse. The data were analyzed using hierarchical Poisson regression modeling. The prevalence of RSB was of 40.3%, with the lowest proportion appearing in the North region (37.4%). The highest prevalence of RSB was found among female adolescents, whose first sexual intercourse occurred at 13 years of age or under, who were victims of sexual violence, who practiced bullying, and who used illicit drugs, cigarettes, and alcohol. Those who used a condom during their first sexual intercourse showed the lowest prevalence of RSB. The high prevalence of RSB among Brazilian school adolescents, together with the knowledge of the associated factors, serves to define strategies to favor improvements in the sexual and reproductive health of these young people. (RSB adolescents crosssectional cross sectional Health 201 edition th rd sociodemographic behavioral characteristics image nonuse non use modeling 403 40 3 40.3% 37.4%. 374 37.4% . 37 4 (37.4%) 1 under violence bullying drugs cigarettes alcohol people 20 40.3 37.4 (37.4% 2 40. 37. (37.4 (37. (37 (3 (

Resumo O artigo avaliou a prevalência e fatores associados ao comportamento sexual de risco (CSR) de adolescentes escolares do Brasil. Trata-se de estudo transversal com dados da Pesquisa Nacional de Saúde do Escolar, 2019, com amostra representativa de adolescentes escolares brasileiros do 9º ano do ensino fundamental. Foram avaliadas características sociodemográficas, comportamentais, de saúde sexual e reprodutiva, de saúde mental e de sociabilidade, orientações recebidas na escola e autoimagem corporal. Caracterizou-se o CSR como o não uso de preservativo na última relação sexual. Os dados foram analisados por modelo hierarquizado com regressão robusta de Poisson. A prevalência de CSR foi de 40,3%, com menor proporção na região Norte (37,4%). Houve maior prevalência do CSR entre adolescentes do sexo feminino, cuja primeira relação sexual ocorreu com 13 anos ou menos, que foram vítimas de violência sexual, que praticaram bullying e que usaram drogas ilícitas, cigarro e álcool. Aqueles que usaram preservativo na primeira relação sexual apresentaram menor prevalência de CSR. A alta prevalência de CSR entre adolescentes escolares no Brasil, aliada ao conhecimento dos fatores associados, deve propiciar o estabelecimento de estratégias para favorecer a melhoria na saúde sexual e reprodutiva desses jovens. (CSR Brasil Tratase Trata se Escolar 2019 º fundamental sociodemográficas comportamentais sociabilidade corporal Caracterizouse Caracterizou Poisson 403 40 3 40,3% 37,4%. 374 37,4% . 37 4 (37,4%) feminino 1 menos ilícitas álcool jovens 201 40,3 37,4 (37,4% 20 40, 37, (37,4 2 (37, (37 (3 (

ABSTRACT. The aim of this study was to investigate the effectiveness of intratesticular injection (ITI) of sodium chloride (NaCl) at two different concentrations for supressing reproductive development in goat kids at two months of age. The experiment was carried out at the experimental unit of Aydın Adnan Menderes University, Çine Vocational School, located in Çine, Aydın, Turkey. The experimental groups were control (C, n = 9), a single ITI of 20% NaCl (T1, n = 8) or 40% NaCl (T2, n = 8). The growth, reproductive characteristics, and histological appearance of the testis in the kids were examined up to nine months of age in different periods. The live weights, scrotal circumference, semen and sexual behavior characteristics were not different among groups. The histogical findings were observed in both testes at nine months of age. Greater intensity of destruction was observed in the testes of T1 and T2 kids than that of C kids. High levels of tubular degeneration were detected in testicular tissue samples in T1 and T2 groups. Based on the results, however, it was concluded that neither 20 nor 40% concentrations of NaCl did ensure the castration effect in the goat kids. ABSTRACT (ITI (NaCl University School Turkey C, (C 9, 9 , 9) T1, T (T1 8 40 T2, (T2 8. . growth periods weights circumference results however 2 (T 4

Abstract This article evaluated the prevalence and factors associated with risky sexual behavior (RSB) among Brazilian school adolescents. This is a cross-sectional study with data collected from the National Survey of School Health, 2019 edition, with a representative sample of 7th grade of elementary school to 3rd year of high school Brazilian school adolescents. This work evaluated sociodemographic, behavioral, sexual and reproductive health, mental health, sociability characteristics, medical advice received at school, and body image. RSB was characterized as the non-use of a condom during sexual intercourse. The data were analyzed using hierarchical Poisson regression modeling. The prevalence of RSB was of 40.3%, with the lowest proportion appearing in the North region (37.4%). The highest prevalence of RSB was found among female adolescents, whose first sexual intercourse occurred at 13 years of age or under, who were victims of sexual violence, who practiced bullying, and who used illicit drugs, cigarettes, and alcohol. Those who used a condom during their first sexual intercourse showed the lowest prevalence of RSB. The high prevalence of RSB among Brazilian school adolescents, together with the knowledge of the associated factors, serves to define strategies to favor improvements in the sexual and reproductive health of these young people.

Resumo O artigo avaliou a prevalência e fatores associados ao comportamento sexual de risco (CSR) de adolescentes escolares do Brasil. Trata-se de estudo transversal com dados da Pesquisa Nacional de Saúde do Escolar, 2019, com amostra representativa de adolescentes escolares brasileiros do 9º ano do ensino fundamental. Foram avaliadas características sociodemográficas, comportamentais, de saúde sexual e reprodutiva, de saúde mental e de sociabilidade, orientações recebidas na escola e autoimagem corporal. Caracterizou-se o CSR como o não uso de preservativo na última relação sexual. Os dados foram analisados por modelo hierarquizado com regressão robusta de Poisson. A prevalência de CSR foi de 40,3%, com menor proporção na região Norte (37,4%). Houve maior prevalência do CSR entre adolescentes do sexo feminino, cuja primeira relação sexual ocorreu com 13 anos ou menos, que foram vítimas de violência sexual, que praticaram bullying e que usaram drogas ilícitas, cigarro e álcool. Aqueles que usaram preservativo na primeira relação sexual apresentaram menor prevalência de CSR. A alta prevalência de CSR entre adolescentes escolares no Brasil, aliada ao conhecimento dos fatores associados, deve propiciar o estabelecimento de estratégias para favorecer a melhoria na saúde sexual e reprodutiva desses jovens.

Resumo O estudo investiga a associação entre o contexto escolar e a ocorrência de múltiplos parceiros entre adolescentes, considerando as variáveis individuais. Estudo transversal com análise multinível, realizado no período de fevereiro a junho de 2018 com estudantes de 14 a 19 anos. A variável desfecho (múltiplos parceiros sexuais) foi coletada com base no questionário Youth Risk Behavior Survey (YRBS). As variáveis do contexto escolar foram tempo na escola (escola regular vs escola integral/semi-integral) e índice de vulnerabilidade social (IVS) do bairro onde a escola está localizada. De 2.500 participantes, 1.044 foram analisados por serem sexualmente ativos. A maioria dos adolescentes (63,89%) teve dois ou mais parceiros. Estudantes de escola regular (mínimo de 4h diárias) tiveram mais chances (OR 1.47, IC 1.10-1.97) de terem múltiplos parceiros sexuais quando comparados àqueles de escola integral/semi-integral (mínimo de 7h diárias). Porém, não houve associação em relação ao IVS dos bairros das escolas (OR 1.18, IC 0.82-1.70). Maior tempo na escola esteve associado a menor chance de múltiplos parceiros sexuais, enquanto estudar em escolas localizadas em bairro de alta vulnerabilidade não esteve associado à ocorrência de múltiplos parceiros sexuais entre adolescentes.

Abstract The objective was to investigate the association between the school context and the occurrence of multiple partners among adolescents, considering individual variables (age, gender, Bolsa Família, LGB, early sexual initiation and use of alcohol or drugs in the last sex). Cross-sectional study with multilevel analysis carried out in 2018 with adolescent students from Olinda, Brazil. The variable (multiple partners) was collected based on the ‘Youth Risk Behavior Survey’ questionnaire. School context variables were time in school (regular school vs. full/semi-full school) and the Social Vulnerability Index of the school district. Of 2,500 participants, 1,044 were analyzed for being sexually active and most had two or more partners (63.89%). Regular school students were more likely (OR 1.47, CI 1.10-1.97) to have multiple sexual partners compared to those in full-day schools/half-day schools. However, no association was found in relation to the SVI of the schools’ neighborhoods (OR 1.18, IC 0.82-1.70). More time spent at school was associated with fewer chances of multiple sexual partners, while studying in schools located in highly vulnerable neighborhoods was not associated with the occurrence of multiple sexual partners among adolescents.

RESUMO Este estudo teve como objetivo avaliar o comportamento sexual e as características de condicionamento de reprodutores bubalinos submetidos à coleta de sêmen com vagina artificial. Trinta touros foram avaliados durante as estações reprodutivas favorável (março a maio) e desfavorável (novembro e dezembro), em propriedade localizada no estado de Minas Gerias, Brasil (latitude 20°41'45'' Sul e longitude 44º49'37'' Oeste ). Os dados foram analisados descritivamente de acordo com o sucesso ou não da ejaculação, usando-se uma série de parâmetros comportamentais. Uma análise de regressão logística multinível foi realizada utilizando-se as respostas e as variáveis explicativas mencionadas acima. Os resultados mostraram que, quando mais de três parâmetros se manifestam, a chance de se obter ejaculação aumenta em 9,0%, valor que sobe para 28,2% quando se observam sete a nove parâmetros manifestados pelos reprodutores. Essas observações permitem concluir que é possível condicionar touros sexualmente maduros para coleta de sêmen por meio da vagina artificial para uso em programas de inseminação artificial e inseminação artificial em tempo fixo. março maio novembro dezembro, dezembro , dezembro) Gerias latitude 20°4145 204145 20°41 45 20 41 20°41'45' 44º4937 º 44º49 37 44º49'37' . ) usandose usando comportamentais utilizandose utilizando acima manifestam 90 9 0 9,0% 282 28 2 28,2 fixo 4145 20°414 20414 2041 20°4 4 20°41'45 44º493 44º4 3 44º49'37 9,0 28, 414 204 20° 20°41'4 44º 44º49'3 9, 20°41' 44º49'

ABSTRACT This study aimed to evaluate the sexual behavior and accommodation characteristics of buffalo recipients patented for semen collection with an artificial vagina. Thirty bulls were sampled during favorable (March to May) and unfavorable (November to December) breeding seasons in a property located in the state of Minas Gerais, Brazil (Latitude 20°41'45'' South and Longitude 44°49'37'' West). Data were analyzed descriptively according to whether ejaculation was successful, using a range of behavioral parameters. A multilevel logistic regression analysis was performed using the responses and explanatory variables mentioned above. The results show that when more than three parameters are manifested, the chance of obtaining ejaculation increases by 9.0%, a value that rises to 28.2% when seven to nine parameters manifested by the breeders are observed. These observations allow us to conclude that it is possible to condition sexually mature bulls for semen collection through the artificial vagina for use in artificial insemination and fixed-time artificial insemination programs. March May November December Gerais Latitude 20°4145 204145 20°41 45 20 41 20°41'45' 44°4937 444937 44°49 37 44 49 44°49'37' West. West . West) successful above 90 9 0 9.0% 282 28 2 28.2 observed fixedtime fixed time programs 4145 20°414 20414 2041 20°4 4 20°41'45 4937 44°493 44493 4449 44°4 3 44°49'37 9.0 28. 414 204 20° 20°41'4 493 444 44° 44°49'3 9. 20°41' 44°49'