Anna Telschow1, Nina Ferrari2,3, Clara Deibert4, Anne Flöck5, Waltraut M Merz5, Ulrich Gembruch5, Christina Ehrhardt3, Jörg Dötsch6, Christine Graf3. 1. University Hospital of Cologne, Cologne, Germany, anna_puetz@yahoo.de. 2. Cologne Center for Prevention in Childhood and Youth/Heart Center Cologne, University Hospital of Cologne, Cologne, Germany. 3. Department for Physical Activity in Public Health, Institute of Movement and Neurosciences, German Sport University Cologne, Cologne, Germany. 4. University Hospital of Cologne, Cologne, Germany. 5. Department of Obstetrics and Prenatal Medicine, University of Bonn Medical School, Bonn, Germany. 6. Department of Pediatrics and Adolescent Medicine, University Hospital of Cologne, Cologne, Germany.
Abstract
BACKGROUND: Early infant weight development influences metabolic regulation later in life. For the prevention of obesity and metabolic diseases, it is important to understand the underlying mechanisms in detail. OBJECTIVES: This study aims to examine the effects of maternal anthropometric, sociodemographic, and lifestyle factors on maternal and cord blood leptin levels at birth and on the development of body mass index (BMI) standard deviation scores (SDS) in offspring up to 1 year of age. METHODS: Seventy-six mother-child pairs were enrolled in this follow-up analysis in a cross-sectional design. Standardized questionnaires were used to collect information regarding maternal anthropometrics, lifestyle habits, and sociodemographic conditions, and newborn weight, or, rather, BMI-SDS, development during the first year of life. RESULTS: Cord blood leptin (β = -0.222, p = 0.074), maternal leptin (β = 0.414, p = 0.001), and female sex of the offspring (β = 0.385, p = 0.003) explained 29.0% of the variance in BMI-SDS changes in the first year of life. Cord blood leptin was influenced by newborn sex (male; β = -0.220, p = 0.025) and maternal moderate-intensity physical activity in the third trimester (β = 0.265, p = 0.007, corr. R2 = 9.2%); maternal leptin was influenced by maternal prepregnancy BMI (β = 0.602, p < 0.001) and weight gain during pregnancy (β = 0.247, p = 0.004, corr. R2 = 35.5%). CONCLUSIONS: Higher maternal and lower cord blood leptin levels are associated with a higher BMI-SDS increase during the first year of life. Maternal leptin is influenced by maternal BMI and weight gain during pregnancy, and cord blood leptin is influenced by maternal physical activity; therefore, it can be suggested that an active and healthy maternal lifestyle may play a pivotal and beneficial role in the offspring's weight development.
BACKGROUND: Early infant weight development influences metabolic regulation later in life. For the prevention of obesity and metabolic diseases, it is important to understand the underlying mechanisms in detail. OBJECTIVES: This study aims to examine the effects of maternal anthropometric, sociodemographic, and lifestyle factors on maternal and cord blood leptin levels at birth and on the development of body mass index (BMI) standard deviation scores (SDS) in offspring up to 1 year of age. METHODS: Seventy-six mother-child pairs were enrolled in this follow-up analysis in a cross-sectional design. Standardized questionnaires were used to collect information regarding maternal anthropometrics, lifestyle habits, and sociodemographic conditions, and newborn weight, or, rather, BMI-SDS, development during the first year of life. RESULTS: Cord blood leptin (β = -0.222, p = 0.074), maternal leptin (β = 0.414, p = 0.001), and female sex of the offspring (β = 0.385, p = 0.003) explained 29.0% of the variance in BMI-SDS changes in the first year of life. Cord blood leptin was influenced by newborn sex (male; β = -0.220, p = 0.025) and maternal moderate-intensity physical activity in the third trimester (β = 0.265, p = 0.007, corr. R2 = 9.2%); maternal leptin was influenced by maternal prepregnancy BMI (β = 0.602, p < 0.001) and weight gain during pregnancy (β = 0.247, p = 0.004, corr. R2 = 35.5%). CONCLUSIONS: Higher maternal and lower cord blood leptin levels are associated with a higher BMI-SDS increase during the first year of life. Maternal leptin is influenced by maternal BMI and weight gain during pregnancy, and cord blood leptin is influenced by maternal physical activity; therefore, it can be suggested that an active and healthy maternal lifestyle may play a pivotal and beneficial role in the offspring's weight development.
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