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Objective: Correlation of catch-up growth and Insulin-like Growth Factor -1 levels (IGF-I) in SGA babies.
Methods: 50 Full-term Small for Gestational Age children aged 12-18 months were analyzed for Catch-up growth (gain in weight and/or length, Standard Deviation Score/SDS >0.67). IGF-1 was measured after post-glucose load using ELISA method and correlated with catch-up growth.
Results: Mean (SD) birthweight and length were 2.1 (0.3) Kg and 44.4 (3.1) cm, respectively. At enrollment, mean (SD) age, weight and length were 15.0 (2.1) months, 7.7 (1.3) Kg, and 72.9 (5.6) cm, respectively. Catch-up growth was noted in 60% children. IGF-1 levels were significantly higher in children showing catch-up growth (56.6 (63.2) ng/mL) compared to those not having catch up growth (8.7 (8.3) ng/mL). IGF-1 was positively correlated with both weight and length catch-up.
Conclusion: Majority of Small for Gestational Age showed catch-up growth by 18 months, which had good correlation with IGF-1 levels.
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J Cachexia Sarcopenia Muscle
October 2025
Department of Sports Science, College of Natural Science, Jeonbuk National University, Jeonju, Republic of Korea.
Background: Fine particulate matter has developmental toxicity, and midgestation is an important period for the development of foetal skeletal muscle. The ability of exercise to modulate skeletal muscle damage in mice exposed to PM during gestation remains unclear.
Methods: Pregnant C57BL/6 mice were exposed to 50 μg/m PM for 2 h on five consecutive days starting at embryonic day 12.
Laryngoscope Investig Otolaryngol
August 2025
Unit of Integrative Epidemiology Institute of Environmental Medicine, Karolinska Institutet Stockholm Sweden.
Objectives: Previous studies have suggested a postoperative "catch-up growth" in children undergoing tonsillectomy. Given the tonsils' crucial role in early immune development, examining long-term effects is imperative. This study aims to investigate the impact of tonsillectomy in early life on adult height and height disparity.
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October 2025
Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, USA.
Background: Twin and singleton growth might be adaptively different to maximise survival in a shared intrauterine environment, translating to smaller average twin birthweight. We aimed to compare growth trajectories and risks of overweight and obesity between twins and singletons.
Methods: We leveraged height, weight, and BMI data from two large and ongoing nationally representative cohorts, the Millennium Cohort Study (MCS) and the National Longitudinal Survey of Youth-Child and Young Adult (NLSY-CYA), that have prospectively collected data from children born in the UK between Sept 1, 2000, and Jan 11, 2002, and participants born in the USA between December, 1970, and January, 2008, respectively, every 2-3 years from birth to adulthood.
Pediatrics
September 2025
Vermont Oxford Network, Burlington, Vermont.
Objective: Among extremely low-birth-weight (ELBW; <1000 g) or extremely preterm (EPT; <28 + 0 weeks) infants, we aimed to describe size indicators at 18 to 24 months of corrected age and growth from neonatal intensive care unit (NICU) discharge to follow-up and to examine infant and maternal determinants of those outcomes.
Methods: We studied 7301 ELBW/EPT children from 77 Vermont Oxford Network member hospitals. Continuous size indicators at 18 to 24 months were z scores of weight, length, head circumference, and body mass index based on World Health Organization standards.
Acta Biochim Pol
September 2025
Fisheries Department, Faculty of Natural Resources, University of Guilan, Sowmeh Sara, Guilan, Iran.
During the rearing period, fish may be exposed to fasting due to low or high temperatures, transportation, handling, and other stressors, while they may catch-up the growth differently after supplying the feed. The aim of this study was to investigate the compensatory growth (CG) response of juvenile Siberian sturgeon after restricted feeding. In the first phase (60 days), triplicate groups of fish were subjected to feed restriction (25%, 50%, and 75% of the amount needed to reach satiation, respectively) or satiation feeding (control) and in the second phase all treatment groups were fed to satiation for an additional 60 days.
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