Toddler disorganized attachment in relation to cortical thickness and socioemotional problems in late childhood.

Disorganized attachment is a risk for mental health problems, with increasing work focused on understanding biological mechanisms. Examining late childhood brain morphology may be informative - this stage coincides with the onset of many mental health problems. Past late childhood research reveals promising candidates, including frontal lobe cortical thickness and hippocampal volume. However, work has been limited to Western samples and has not investigated mediation or moderation by brain morphology. Furthermore, past cortical thickness research included only 33 participants. The current study utilized data from 166 children from the GUSTO Asian cohort, who participated in strange situations at 18 months and MRI brain imaging at 10.5 years, with 124 administered the Child Behaviour Checklist at 10.5 years. Results demonstrated disorganization liked to internalizing problems, but no mediation or moderation by brain morphology. The association to internalizing (but not externalizing) problems is discussed with reference to the comparatively higher prevalence of internalizing problems in Singapore.

Breastfeeding Practices and Postpartum Weight Retention in an Asian Cohort.

This study examines relationships between breastfeeding practices and postpartum weight retention (PPWR) at 6 and 12 months postpartum among 379 first-time mothers participating in a clinical trial in Singapore. We categorized feeding modes at 6 months into exclusive breastfeeding, mixed feeding, and exclusive formula feeding. Participants were analyzed in two groups based on their PPWR assessment at 6 and 12 months postpartum, with complete datasets available for each assessment. We calculated PPWR by subtracting pre-pregnancy weight from self-reported weight at 6 and 12 months postpartum, defining substantial PPWR as ≥5 kg retention. Modified Poisson regression models adjusted for potential confounders were performed. At 6 and 12 months, 35% (n = 132/379) and 31% (n = 109/347) of women experienced substantial PPWR, respectively. Compared to exclusive breastfeeding, mixed feeding (risk ratio 1.85; 95% confidence interval 1.15, 2.99) and exclusive formula feeding (2.11; 1.32, 3.28) were associated with a higher risk of substantial PPWR at 6 months. These associations were slightly attenuated at 12 months and appeared stronger in women with pre-pregnancy overweight or obesity. This study suggests that breastfeeding by 6 months postpartum may help mitigate PPWR, particularly with exclusive breastfeeding. It also draws attention to targeted interventions to promote breastfeeding among women with overweight or obesity.