Mother-infant bonding: The role of postpartum depression, violence, and bonding established with one's own mother during childhood.

Mother-infant bonding is influenced by several risk and protective factors, and the literature has investigated the relationships between these factors independently. This study aimed to verify the interrelationships of some of these factors and how they influence mother-infant bonding in Brazil. In this study, 361 mothers participated, and the outcome variable of mother-infant bonding was assessed using the Postpartum Bonding Questionnaire (PBQ). Multivariate regression analysis was performed using a hierarchical model with three blocks structured according to the influence exerted on mother-infant bonding. The PBQ's factor scores were estimated and used in the subsequent analyses to decrease measurement error. The variable "violence experienced by mothers" was statistically significant for explaining the second block model but not significant for the third block. Network analysis was performed after multiple regression, showing that the violence experienced by mothers does not directly influence mother-infant bonding but rather is mediated by postpartum depression. This explains why violence is not significant in the hierarchical multiple regression when maternal depression is added to the model. This study's strengths lie in its utilization of PBQ factor scores and network analysis, enabling the estimation of conditional relationships among variables. This approach provides deeper insights into factors affecting mother-infant bonding.

Varios factores de riesgo y de protección ejercen influencia sobre la unión afectiva madre­infante; la literatura disponible ha investigado las relaciones entre estos factores de una manera independiente. Este estudio se propuso verificar las interrelaciones de algunos de estos factores y cómo ellos influyen en la unión afectiva madre­infante. Se consultó un total de 361 madres y el variable resultado de afectividad madre­infante se evaluó por medio del Cuestionario de Afectividad de Postparto (PBQ). Se llevaron a cabo análisis de regresión multivariados usando un modelo jerárquico con tres estructuras de bloques de acuerdo con la influencia ejercida sobre la unión afectiva madre­infante. Se estimaron y usaron los puntajes de factores del PBQ en los análisis subsecuentes para disminuir el error en la medida. La variable "violencia experimentada por las madres" fue estadísticamente significativa para explicar el segundo modelo de bloque, pero no significativa para el tercer bloque. Se llevó a cabo un análisis de interrelaciones después de la regresión múltiple, demostrando que la violencia experimentada por las madres no influye directamente la afectividad madre­infante, sino que la misma es mediada por la depresión posterior al parto. Esto explica por qué la violencia no es significativa en la jerárquica regresión múltiple cuando la depresión materna se le agrega al modelo. Entre los puntos fuertes de este estudio se incluye el uso de los puntajes de factores del PBQ y el análisis de interrelaciones, lo cual permitió que se estimaran las relaciones condicionales existente dentro del grupo de variables, aportando una mayor comprensión de algunos factores que interfieren en la unión afectiva madre­infante.

Gestational diabetes mellitus early prediction by maternal body fat index: A cohort study.

OBJECTIVES: To compare the performance of maternal body fat index (BFI) assessed during the first 20+6 weeks among 138 pregnant women in an ultrasound outpatient clinic as a predictor of gestational diabetes mellitus (GDM) later in pregnancy. METHOD: Maternal visceral and subcutaneous fat was measured with a convex ultrasound probe placed in two locations on the maternal abdominal surface: the first in the mid-sagittal epigastric region, visualising epigastric fat, and the second 2cm above the maternal umbilical scar, visualising periumbilical fat. Ultrasound callipers measured the distance from dermal edge to the linea alba and after from the linea alba to the anterior hepatic surface (epigastric fat). Periumbilical fat was measured from the dermal edge to the linea alba and after from the linea alba to the anterior aortic surface. The BFI formula was [visceral adipose tissue (mm)×subcutaneous adipose tissue (mm)]/maternal height (cm). RESULTS: The best thresholds for predicting GDM outcome for epigastric and periumbilical BFI were 1.2 and 4.8, respectively. Odds ratio, sensitivity and specificity were 5.88 (95% CI 1.86-18.6), 80.9%, 58.0% for the epigastric site and 6.31 (95% CI 1.73-22.94), 84.2%, 54.2% for the periumbilical site. Pre-pregnancy body mass index compatible with adult obesity shows inadequate predictive performance for GDM outcome. Only epigastric BFI above 1.2 maintained statistical significance for GDM in the logistic regression analysis, when compared to periumbilical BFI above 4.8. CONCLUSION: Epigastric BFI above 1.2 during the first half of pregnancy may help identify women at risk of developing GDM later in pregnancy.

Gut microbiota transfer evidence from mother to newborn.

Early life microbiota is a risk factor for future diseases. The main purpose of this study was to investigate the transfer of gut microbiota from mother to newborn. A biological sample was collected from the anal mucosa of the pregnant women before delivery and from the newborns between 24 and 48 h after delivery, as it was not possible to collect a meconium sample at that time. The microbiome of the samples was analyzed by sequencing the hypervariable regions V3-V4 of the 16S gene. To determine the likelihood of microbiota transfer from mother to newborn and examine the relationship with the mode of delivery, we utilized Fisher's exact test and odds ratio. A weighted transfer ratio was employed as a comprehensive measure of transfer. A total of 5767 ASVs were identified in newborn samples (n = 30) and 7253 in maternal samples (n = 30). In the analysis of transfer correlated with the mode of delivery, we observed significant ASVs (p < 0.05). Vaginal delivery showed a positive probability of transfer (OR = 2.184 and WTR = 1.852). We found a negative correlation (OR < 1) between the abundance of maternal ASVs and the likelihood of microbiota transfer to the newborn in both delivery modes. The relationship was inversely proportional for both cesarean section (log10 = - 0.2229) and vaginal delivery (log10 = - 0.1083), with statistical significance observed only for cesarean section (p = 0.0083).  Conclusion: In our sample, the maternal gut microbiome was found to be associated with the infant gut microbiome, indicating evidence of ASV-specific transfer from the maternal microbiome to newborns. What is Known: • There is a relationship of early-life microbiota composition with future health outcomes. What is New: • This was the first study to evaluate maternal gut microbiota transfer to newborns in Brazil.

Epigenetics, hypersensibility and asthma: what do we know so far?

In this review, we describe recent advances in understanding the relationship between epigenetic changes, especially DNA methylation (DNAm), with hypersensitivity and respiratory disorders such as asthma in childhood. It is clearly described that epigenetic mechanisms can induce short to long-term changes in cells, tissues, and organs. Through the growing number of studies on the Origins of Health Development and Diseases, more and more data exist on how environmental and genomic aspects in early life can induce allergies and asthma. The lack of biomarkers, standardized assays, and access to more accessible tools for data collection and analysis are still a challenge for future studies. Through this review, the authors draw a panorama with the available information that can assist in the establishment of an epigenetic approach for the risk analysis of these pathologies.

Obesity Cut-Off Points Using Prepregnancy Body Mass Index according to Cardiometabolic Conditions in Pregnancy.

Aim: To suggest cut-off points for body mass index (BMI) using gestational hypertension, preeclampsia, and gestational diabetes mellitus (GDM) as cardiometabolic conditions in pregnancy. Methods: In this prospective study, singleton pregnant women from the fetal medicine service of the Brazilian Unified Health System were included. The pregnancy, perinatal, and newborn data were obtained from the clinical medical records. Maternal anthropometry included an assessment of weight and height and the prepregnancy BMI evaluation categorized according to the World Health Organization cut-off points. The area under the curve and confidence interval values from receiver operator curves were generated to identify the optimal cut-off points using prepregnancy BMI with better sensitivity and specificity. Results: Data on 218 pregnancies were analyzed, with 57.9% (n = 124) being classified as overweight/obese, 11% (n = 24) with GDM, 6.9% (n = 15) with preeclampsia, and 11.0% (n = 24) with gestational hypertension. The BMI cut-off points for predicting cardiometabolic conditions were 27.52 kg/m2 (S: 66.7%; E: 63.8%) for women with GDM; 27.40 kg/m2 (S: 73.3%; E: 62.4%; S: 79.2%; E: 64.9%; S: 70.3%; E: 66.3%) for women with preeclampsia, gestational hypertension, and gestational hypertension plus preeclampsia, respectively; and 27.96 kg/m2 (S: 69.6%; E: 65.6%) for women with preeclampsia plus GDM. Conclusion: The findings suggest that the optimal prepregnancy BMI cut-off point is around 27 kg/m2 for pregnant women with maternal cardiometabolic conditions.

Breast milk leptin concentrations and infant anthropometric indicators in SGA versus non-SGA breastfed infants born at term.

Leptin concentrations in breast milk can influence metabolic programming during the first months of life. Small for gestational age (SGA) newborns show a peculiar growth pattern after birth, which can lead to adulthood diseases. This study aims to assess an association between leptin concentration in mature breast milk and the infant anthropometric indicators of the SGA and the non-SGA groups, in addition, to comparing the hormone level between these groups. A longitudinal study was performed with mother-infant pairs. The maternal sociodemographic information was collected in the first 48 h postpartum. Breast milk was collected at one month postpartum and leptin concentrations were obtained by immunoassays. The infant anthropometric measurements were collected at three and six months postpartum and included weight, height (to body mass index-BMI calculated), triceps skinfold (TSF), and subscapular skinfold (SSF). The BMI for age (BMI/A), TSF, and SSF were calculated by Z-score indicators. Data from 67 mother-infant pairs (n = 16 SGA and n = 51 non-SGA) were analyzed. In univariate analyses, the breast milk of the SGA group had lower leptin concentrations than the non-SGA group (p = 0.006), however, after adjustment, there was no difference between groups (p = 0.181). In the SGA group, there was a significant association between leptin concentrations and lower SSF at six months in infants, after adjustment (p = 0.003). In the non-SGA group, the breast milk leptin was associated with lower BMI/A at three and six months in infants, after adjustment (p = 0.002 and p = 0.010, respectively). The association between breast milk leptin concentrations with SSF in the SGA group and BMI/A in the non-SGA group suggests that leptin may be a modulating factor in infant growth in the first months of life.

Different intrauterine environments and children motor development in the first 6 months of life: a prospective longitudinal cohort.

This prospective cohort longitudinal study examines the risk factors associated with different intrauterine environments and the influence of different intrauterine environments on children's motor development at 3- and 6-months of life. Participants were 346 mother/newborn dyads enrolled in the first 24 to 48 h after delivery in public hospitals. Four groups with no concurrent condition composed the sample: mothers with a clinical diagnosis of diabetes, mothers with newborns small for gestational age due to idiopathic intrauterine growth restriction (IUGR), mothers who smoked tobacco during gestation, and a control group composed of mothers without clinical condition. Children were assessed at three- and six-months regarding motor development, weight, length, head circumference, and parents completed a socioeconomic questionnaire. The IUGR children had lower supine, sitting, and overall gross motor scores at 6 months than the other children's groups. Anthropometric and sociodemographic characteristics negatively influenced gross motor development. IUGR and anthropometric and sociodemographic characteristics negatively impact motor development. Intrauterine environment impact child neurodevelopment.

Maternal diet quality and associations with body composition and diet quality of preschool children: A longitudinal study.

BACKGROUND: Nutrition, associated with nutritional status, influences the growth of children. This study aimed to identify the association between maternal diet quality and the diet and body composition of their children. METHODS: This is a prospective longitudinal study with mother-child pairs. To assess diet quality, nutritional status, and socioeconomic data, two interviews in the children's first and third months of life (2011-2016) and one interview when children were of preschool age (2017-2019) were performed. Diet quality was assessed based on daily food consumption and frequency, considering: 1) food groups, based on the Brazilian food pyramid; 2) level of processing, according to the NOVA classification (unprocessed and/or minimally processed foods, processed foods and ultra-processed foods). One-way ANOVA with Tukey post hoc and Kruskal-Wallis with Dunn's post hoc tests were used to evaluate the influence of factors on children's diet quality. Pearson and Spearman's correlations were used to evaluate the relationship between maternal and children's diet quality, maternal schooling level, and child age. Along with the nutritional assessment of children, multiple linear regression models assessed the impact of covariables on maternal and children's diet quality. RESULTS: Eighty-three mother-child pairs participated in this study. The more frequent the maternal consumption of unprocessed and/or minimally processed foods, the higher the consumption of these foods by children (r = +0.30; p = 0.006) and the lower their subscapular skinfold (SSF) thickness (p = 0.011; ß = -0.278). On the other hand, the higher the maternal consumption of ultra-processed foods, the higher the children's tricipital skinfold (TSF) thickness (p = 0.010; ß = +0.274) and SSF (p = 0.043; ß = +0.222). CONCLUSION: Maternal diet quality was associated with the diet and body composition of children.

Does early fruit juice introduction influence anthropometric outcomes and food consumption at preschool age? / A introdução precoce de sucos pode influenciar desfechos antropométricos e consumo alimentar em idade pré-escolar?

The aim of this study was to evaluate the impact of fruit juice consumption before 6 months of age on Body Mass Index-for-age (BMI-for-age) and food consumption in preschoolers. We conducted a longitudinal study with mothers and their children (n=103) at 6 months and 3-6 years. Weight and height were measured and converted into BMI-for-age z-scores. Food consumption was analyzed using the Food Frequency Questionnaire for Children. Groups were compared using the chi-squared and Student's t-tests. No differences in anthropometric measurements were found at preschool age between children who had been given fruit juice before 6 months and those who had not. Consumption of artificial juice (≥once/day) and sandwich cookies at preschool age was higher in children with early introduction of fruit juice (≤150 days of life) (63.8% versus 35.7%; p=0.028 and 21.3% versus 14.3%; p=0.001, respectively). The prevalence of the consumption of soda (1 to 4 times/week) and chocolate milk (at least once/day) was higher in children who had been given artificial juice before 6 months (69.2% versus 27.4%; p=0.014 and 38.5% versus 69.4%; p=0.027, respectively). It can be concluded that the consumption of sweet foods and sugary beverages was higher in children with early introduction of fruit juice.

Objetivou-se avaliar o impacto do consumo de sucos antes dos 6 meses de idade no Índice de Massa Corporal para Idade (IMC/I) e no consumo alimentar em pré-escolares. Estudo longitudinal com amostra composta por mães e seus filhos (n=103) entre 6 meses e 3 a 6 anos. Peso e estatura foram aferidos e convertidos para o escore z de IMC/I. Para avaliar o consumo alimentar, foi utilizado o Questionário de Frequência Alimentar Infantil. Testes de Qui-Quadrado e t de Student foram utilizados para comparação entre os grupos. Não houve diferença nos parâmetros antropométricos entre pré-escolares que receberam ou não suco antes dos seis meses. Aquelas que tiveram introdução de suco mais precoce (≤150 dias de vida) apresentaram consumo mais frequente (≥1x/dia) de suco artificial (63,8% versus 35,7%; p=0,028) e biscoito recheado (21,3% versus 14,3%; p=0,001) na idade pré-escolar. Crianças que receberam suco do tipo artificial antes dos 6 meses tiveram maior prevalência de consumo de refrigerante entre 1 e 4x/semana (69,2% versus 27,4%; p=0,014) e menor prevalência de consumo de achocolatado pelo menos 1x/dia (38,5% versus 69,4%; p=0,027). Sendo assim, crianças com introdução precoce de suco apresentaram maior consumo de alimentos doces e bebidas açucaradas em fase pré-escolar.

A introdução precoce de sucos pode influenciar desfechos antropométricos e consumo alimentar em idade pré-escolar? / Does early fruit juice introduction influence anthropometric outcomes and food consumption at preschool age?

Resumo Objetivou-se avaliar o impacto do consumo de sucos antes dos 6 meses de idade no Índice de Massa Corporal para Idade (IMC/I) e no consumo alimentar em pré-escolares. Estudo longitudinal com amostra composta por mães e seus filhos (n=103) entre 6 meses e 3 a 6 anos. Peso e estatura foram aferidos e convertidos para o escore z de IMC/I. Para avaliar o consumo alimentar, foi utilizado o Questionário de Frequência Alimentar Infantil. Testes de Qui-Quadrado e t de Student foram utilizados para comparação entre os grupos. Não houve diferença nos parâmetros antropométricos entre pré-escolares que receberam ou não suco antes dos seis meses. Aquelas que tiveram introdução de suco mais precoce (≤150 dias de vida) apresentaram consumo mais frequente (≥1x/dia) de suco artificial (63,8% versus 35,7%; p=0,028) e biscoito recheado (21,3% versus 14,3%; p=0,001) na idade pré-escolar. Crianças que receberam suco do tipo artificial antes dos 6 meses tiveram maior prevalência de consumo de refrigerante entre 1 e 4x/semana (69,2% versus 27,4%; p=0,014) e menor prevalência de consumo de achocolatado pelo menos 1x/dia (38,5% versus 69,4%; p=0,027). Sendo assim, crianças com introdução precoce de suco apresentaram maior consumo de alimentos doces e bebidas açucaradas em fase pré-escolar.

Abstract The aim of this study was to evaluate the impact of fruit juice consumption before 6 months of age on Body Mass Index-for-age (BMI-for-age) and food consumption in preschoolers. We conducted a longitudinal study with mothers and their children (n=103) at 6 months and 3-6 years. Weight and height were measured and converted into BMI-for-age z-scores. Food consumption was analyzed using the Food Frequency Questionnaire for Children. Groups were compared using the chi-squared and Student's t-tests. No differences in anthropometric measurements were found at preschool age between children who had been given fruit juice before 6 months and those who had not. Consumption of artificial juice (≥once/day) and sandwich cookies at preschool age was higher in children with early introduction of fruit juice (≤150 days of life) (63.8% versus 35.7%; p=0.028 and 21.3% versus 14.3%; p=0.001, respectively). The prevalence of the consumption of soda (1 to 4 times/week) and chocolate milk (at least once/day) was higher in children who had been given artificial juice before 6 months (69.2% versus 27.4%; p=0.014 and 38.5% versus 69.4%; p=0.027, respectively). It can be concluded that the consumption of sweet foods and sugary beverages was higher in children with early introduction of fruit juice.

Epigenetics, hypersensibility and asthma: what do we know so far?

Abstract In this review, we describe recent advances in understanding the relationship between epigenetic changes, especially DNA methylation (DNAm), with hypersensitivity and respiratory disorders such as asthma in childhood. It is clearly described that epigenetic mechanisms can induce short to long-term changes in cells, tissues, and organs. Through the growing number of studies on the Origins of Health Development and Diseases, more and more data exist on how environmental and genomic aspects in early life can induce allergies and asthma. The lack of biomarkers, standardized assays, and access to more accessible tools for data collection and analysis are still a challenge for future studies. Through this review, the authors draw a panorama with the available information that can assist in the establishment of an epigenetic approach for the risk analysis of these pathologies.

The influence of perception of care and maternal protection on breastfeeding practices on the infants' third month of life / Influência da percepção do cuidado e da proteção materna sobre as práticas de aleitamento materno em lactentes no terceiro mês de vida

Abstract Objectives: to evaluate the influence of perception of care and maternal protection on breastfeeding practices on the infants' third month of life. Methods: longitudinal study with mother-infant pairs distributed in five groupsof gestational clinical conditions. The recruitment occurred in the period 2011 to 2016 at three hospitals in the public health systems in Porto Alegre, Brazil. The Parental Bonding Instrument and the Edinburgh Postpartum Depression Scale were assessed. Exclusive and prolonged breastfeeding were analyzed by questionnaires. Data were analyzed by one-way ANOVA with Tukey's post-hoc test, Kruskal-Wallis with Dunn's post-hoc test, or Pearson's chi-squared test. The significance was set at 5%. Results: 209 mother-infant pairs were investigated. Among those who did not practice breastfeeding, a lower perception of care, a higher perception of maternal protection, and a higher score of postpartum depression were observed (p=0.022, p=0.038, and p<0.001, respectively), when compared to peers who practiced. The control group had a significantly higher perception of care when compared to thediabetes mellitus group (p=0.006), and the perception of maternal protection and postpartum depression had no differences between the intrauterine groups (p>0.05). Conclusions: the perception of care and maternalprotection and the postpartum depressive symptomatology influenced breastfeeding at three months. It is possible to assume a transgenerational effect on breastfeeding, suggesting the existence of a complex model related to mental health in a sample of women who had different backgrounds of gestational clinical conditions

Resumo Objetivos: avaliar a influência da percepção do cuidado e da proteção materna sobre as práticas de aleitamento materno em lactentes no terceiro mês de vida. Métodos: estudo longitudinal, com pares mães-lactentes distribuídos em cinco grupos de diferentes condições clínicas gestacionais. O recrutamento ocorreu no período de 2011 a 2016 em três hospitais da rede pública de saúde de Porto Alegre, Brasil. Foram utilizados o Parental Bonding Instrument e o Edinburgh Postpartun Depression Scale. O aleitamento materno exclusivo e continuado foi analisado por questionários. Na análise de dados foram utilizados os testes de ANOVA com post-hoc de Tukey, Kruskal-Wallis com post-hoc de Dunn e Qui-quadrado. Resultados: foram investigados 209 pares mães-lactentes. Entre aqueles que não praticaram o aleitamento materno foi observadouma menor percepção de cuidado materno, uma maior percepção de proteção materna e ummaior escore de depressão pós-parto (p=0,022, p=0,038 e p<0,001, respectivamente) quandocomparados aos pares mães-lactentes que praticaram. O grupo controle teve significativamente maior percepção do cuidado materno quando comparado ao grupo com diabetes mellitus (p=0,006) enquanto a percepção de proteção materna e a depressão pós-parto não apresentaram diferenças entre os cinco grupos intrauterinos (p>0,05). Conclusões: a percepção de cuidado e proteção materna e asintomatologia depressiva pós-parto influenciaram o aleitamento materno aos três meses. É possível assumir um efeito transgeracional no aleitamento materno, sugerindo a existência de um modelo complexo relacionado à saúde mental numa amostra de mulheres que tinham diferentes antecedentes de condições clínicas gestacionais.

Prevalence of Congenital Anomaly and Its Relationship with Maternal Education and Age According to Local Development in the Extreme South of Brazil.

Congenital anomalies (CA) contribute to disabilities and health conditions throughout life. Furthermore, they can cause emotional distress to the mothers and children, who may also experience limitations in individual and social development. This study investigated the prevalence of CA and the relationship with maternal education and age according to local development in the extreme south of Brazil. This is a retrospective observational study with birth data from the Live Birth Information System from 2000 to 2017. The association between age and maternal education with the presence of CA was verified using multiple Poisson regression for robust variances in models adjusted for those variables with a preliminary significant association. A total of 5131 (1.5%) had some CA identified at birth between 2000 and 2017. Only advanced age (≥36 years) was associated with CA regardless of macro-region development (p ≤ 0.001). The highest risk was observed in regions with medium development (RR = 1.60; 95% CI 1.30−1.97). Maternal education (<8 years of study) was associated with CA only in mothers from macro-regions with very high development (RR = 1.27; 95% CI 1.03−1.54). These analyses confirmed that women of advanced age are at greater risk of having children with a CA regardless of maternal education and local development, but social characteristics can also have an influence, as regions with higher development had lower prevalence of CA.

Telomere length in healthy newborns is not affected by adverse intrauterine environments.

Different intrauterine exposures are associated with different metabolic profiles leading to growth and development characteristics in children and also relate to health and disease patterns in adult life. The objective of this work was to evaluate the impact of four different intrauterine environments on the telomere length of newborns. This is a longitudinal observational study using a convenience sample of 222 mothers and their term newborns (>37 weeks of gestational age) from hospitals in Porto Alegre, Rio Grande do Sul (Brazil), from September 2011 to January 2016. Sample was divided into four groups: pregnant women with Gestational Diabetes Mellitus (DM) (n=38), smoking pregnant women (TOBACCO) (n=52), mothers with small-for-gestational age (SGA) children due to idiopathic intrauterine growth restriction (n=33), and a control group (n=99). Maternal and newborn genomic DNA were obtained from epithelial mucosal cells. Telomere length was assessed by qPCR, with the calculation of the telomere and single copy gene (T/S ratio). In this sample, there was no significant difference in telomere length between groups (p>0.05). There was also no association between childbirth weight and telomere length in children (p>0.05). For term newborns different intrauterine environments seems not to influence telomere length at birth.

Is the duration of breastfeeding associated with eating behavior in early childhood?

INTRODUCTION: Eating behavior can be defined as the relationship between human and food and involves a multifaceted network of genetic and environmental influences. The eating behavior acquired in childhood, when dysfunctional, can affect children's health and seems to influence adult eating behavior. This study aimed to analyze the breastfeeding influence on eating behavior in early childhood. METHODS: In this longitudinal observational study, data about sociodemographic and breastfeeding practices were collected through questionnaire developed by the researchers and eating behavior was assessed with the Children's Eating Behavior Questionnaire when the children have 3-5 years of age. This instrument was divided into 'food approach' and 'food avoidant' scales, with 'food approach' being linked to overweight/obesity and 'food avoidant' to selectivity. RESULTS: Data on 107 mother-child pairs were analyzed, of whom 98.1% (n= 105) were breastfed and 46.7% (n= 50) received infant formula. There was a significant association between lower scores in the 'food approach' scale, eating behavior, and total breastfeeding duration > 6 months (p= 0.033), as well, as with exclusive breastfeeding duration > 3 months (p= 0.001). This relationship was confirmed in a linear regression model, after adjusting for sociodemographic variables and infant nutritional status. It was observed that a one-day increase in total breastfeeding and exclusive breastfeeding was associated with a -0.044 decrease in total score on the 'food approach' scale ([95% CI: -0.08; -0.01]; p= 0.027 and [95% CI: -0.08; -0.01]; p= 0.010, respectively). CONCLUSION: The total and exclusive breastfeeding duration are related to child feeding behavior, while a longer period of breastfeeding can be an influencing factor against 'food approach' scale.

Infant processed food consumption and their interaction to breastfeeding and growth in children up to six months old.

BACKGROUND: Evidences suggest that early processed food (PF) consumption may cause harm to infant health. During the first 6 months of life, it is not known whether the timing and quantity of this food group can impact breastfeeding and growth. The aim of the study was to analyze the associations between time of introduction and quantity of infant PF consumption with duration of breastfeeding and infant growth at 6 months of age. METHODS: Data were longitudinally collected in six interviews, from birth to 6 months, in a sample of Brazilian newborns with adverse intrauterine environments. PF consumption was calculated by gravity score of processed foods (GSPF) in relation to feeding supply quality and time. For the analysis, the scores were divided into tertiles, making scores severities: Null, Mild, Moderate, and Severe. The interaction between GSPF and breastfeeding (exclusive and non-exclusive) and growth parameters (analyzed in Z-scores, by weight for height, weight for age, and body mass index for age) was tested. RESULTS: A total of 236 infants were included in the study. Greater GSPF were associated with better rates of breastfeeding practices and higher growth indicators scores in the sixth month of infants. These findings were confirmed after adjustment for family income, maternal age, pre-gestational body mass index, and growth z scores at birth. CONCLUSION: The harms of eating PF in relation to breastfeeding and infant growth are more evident the greater and earlier they are consumed. Future studies should explore interventions to reduce and delay the consumption of these foods to prevent adverse health outcomes in later life.

Influence of intra- and extrauterine factors on infant sleep in the first 6 months of life

ABSTRACT Objective: Infant sleep problems can affect the child's health. Maternal characteristics have been associated with the quality of infant sleep, but few studies have investigated the impact of intrauterine conditions. The aim of the study was to evaluate the association between adverse intrauterine environments (maternal smoking, hypertension, diabetes, and intrauterine growth restriction) and extrauterine factors on infant sleep in the first 6 months of life. Methods: Prospective cohort study, including singleton and at-term infants. Mothers were interviewed after delivery and at 30 days, 3 months, and 6 months of life. Socioeconomic, breastfeeding, and sleep data were self-reported by mothers using semi-structured interviews. Maternal stress (Perceived Stress Scale) and postpartum depression symptoms (Edinburgh Postpartum Depression Scale) were assessed. Results: There was no statistically significant association between intrauterine environments and the sleep of infants of the 359 mother-child dyads investigated. Total infant sleep time decreased from approximately 13-11 h from 30 days to 6 months of age (p < 0.001) and the longest period of uninterrupted sleep increased from approximately 4-6 h during the same period (p < 0.001). Breastfed infants slept longer in 24-h periods in the first month, but they woke up more often throughout the night when compared to infants receiving formula. Mothers with depressive symptoms reported increased sleep latency time. Conclusions: Adverse intrauterine environments did not significantly affect sleep measures in the first 6 months of life. Maternal characteristics and practices, however, were associated with infant sleep, suggesting that environmental factors significantly contribute to sleep quality early in life.

Maternal adipose tissue to early preeclampsia risk detection: Is the time to maternal ultrasound beyond fetal evaluation?

INTRODUCTION: This study aims to determine the predictive capacity of isolated maternal periumbilical and epigastric fat measurements during pregnancy to hypertensive outcomes. METHODS: A cohort study was conducted with pregnant women in any trimester and followed until delivery to identify the outcomes of interest, preeclampsia (PE) and gestational hypertension (GH). The predictive capacity of fourth quartile measurements was compared with the first three quartiles of maternal subcutaneous and visceral adipose tissue from the periumbilical site (periumbilical m-SAT and m-VAT) (n = 155) and maternal adipose tissue from the epigastric site (preperitoneal m-SAT and m-VAT) (n = 261). The predictive ability of prepregnant body mass index (BMI) above 30 kg/m2 for PE and GH was also assessed. RESULTS: Fourth quartiles for the periumbilical ultrasound measurements were m-VAT 52.7 mm and m-SAT 21.7 mm. Preperitoneal site presents fourth quartiles m-VAT 15.2 mm and m-SAT 18.6 mm. Both m-VAT and m-SAT maternal periumbilical and preperitoneal sites are unable to predict PE, with the utmost sensitivity attributed to the periumbilical site m-SAT at 54%. The best PE predictor odds ratio (OR) found was the prepregnant BMI consistent with obesity, with an OR of 3.2 (95% CI 1.1-9.4), whereas the best OR to GH predictor was preperitoneal m-SAT with 8.9 (95% CI 2.3-34.6). CONCLUSION: PE pathogenic mechanisms related to maternal abdominal adipose tissue include differences in molecular, cytological, and tissue levels not detected by ultrasound in a quantified gray scale assessment. Periumbilical or epigastric m-VAT use is not able to predict PE during pregnancy.

Modifiable predictors to maternal visceral adipose tissue during pregnancy: A clinical, demographic, and nutritional study.

AIM: Higher amounts of maternal visceral adipose tissue were related to abnormal outcomes in pregnancy. Our objective was to evaluate the impact of modifiable and nonmodifiable predictors related to abnormal amounts of maternal visceral fat during three trimesters of pregnancy. METHODS: Visceral fat thickness was evaluated by ultrasound during three trimesters centered in the maternal epigastrium (preperitoneal m-VAT) and additionally fat thickness evaluation centered at maternal periumbilical region (periumbilical m-VAT) among cases with gestational age below 20 weeks. The fourth quartile was considered abnormal m-VAT and the first three quartiles as normal m-VAT. Nonmodifiable characteristics included maternal age, past term pregnancies, and ethnicity. Modifiable characteristics included pre-pregnancy body mass index (BMI), weight gain, usual macronutrients, and sugar consumption during pregnancy. RESULTS: Preperitoneal m-VAT was assessed in 270 pregnant women and m-VAT periumbilical assessment in 154. The fourth quartile measurement was 15 mm and 53 mm, respectively. Nonmodifiable predictors including maternal age and past term pregnancies significantly impacted the primary study outcome of abnormal periumbilical m-VAT. Having a non-Caucasian ethnicity had a significant impact on the amount of normal preperitoneal m-VAT. Among the modifiable characteristics, both pre-pregnancy BMI and pre-pregnancy obesity impacted the amount of abnormal preperitoneal and periumbilical m-VAT. CONCLUSION: Abnormal amounts of maternal visceral fat during pregnancy are related to nonmodifiable predictors and those present before pregnancy. No impact was found among weight gain during pregnancy or macronutrients and sugar consumption at pregnancy.