Hong Chang Tan1, James Roberts2,3,4, Janet Catov2,3, Ramkumar Krishnamurthy5, Roman Shypailo1, Fida Bacha1. 1. Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX, USA. 2. Magee-Womens Research Institute, University of Pittsburgh, Pittsburgh, PA, USA. 3. Department of Obstetrics, Gynecology & Reproductive Sciences, University of Pittsburgh, Pittsburgh, PA, USA. 4. Department of Epidemiology, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA, USA. 5. Department of Radiology, Texas Children's Hospital, Houston, TX, USA.
Abstract
OBJECTIVE: Maternal adiposity is associated with poor offspring cardiometabolic health. We aimed to evaluate the relationship of maternal pre-pregnancy body mass index (BMI) on the BMI, body composition and cardiometabolic characteristics of the offspring. METHODS: Forty offspring of overweight/obese mothers (O-OW) and 28 offspring of normal weight mothers (O-NW) underwent evaluation of body composition, abdominal fat distribution, blood pressure measurement, fasting lipids and an oral glucose tolerance test. The anthropometric and cardiometabolic characteristics of O-OW were compared with those of O-NW, and the relationship to maternal BMI was evaluated. RESULTS: Subjects (mean age: 12.6 ± 0.4, female: 52.9%) had similar gestational age, birth weight, age, gender, and Tanner stage. However, O-OW had a significantly higher BMI (24.4 ± 1.2 vs. 19.7 ± 0.8 kg/m(2) , p = 0.001), % body fat (31.7 ± 1.6 vs. 24.6 ± 1.1%, p < 0.001), visceral fat (41.9 ± 4.7 vs. 26.1 ± 3.9 cm(2) , p = 0.012) with no difference in lean body mass compared with O-NW. O-OW had lower whole body insulin sensitivity index (WBISI) with an adverse cardiovascular disease risk profile [higher blood pressure (BP), triglycerides to high-density lipoprotein (HDL) ratio, hs-C-reactive protein (CRP) and lower HDL]. In addition to offspring's %body fat (β = -0.60, p < 0.001), maternal pre-pregnancy BMI (β = -0.19, p = 0.046) contributed significantly and independently to the offspring's WBISI (R(2) =0.55, p < 0.001). CONCLUSIONS: High pre-pregnancy BMI is an important contributor to excess adiposity, insulin resistance, and cardiometabolic disease risk in the offspring during childhood.
OBJECTIVE: Maternal adiposity is associated with poor offspring cardiometabolic health. We aimed to evaluate the relationship of maternal pre-pregnancy body mass index (BMI) on the BMI, body composition and cardiometabolic characteristics of the offspring. METHODS: Forty offspring of overweight/obese mothers (O-OW) and 28 offspring of normal weight mothers (O-NW) underwent evaluation of body composition, abdominal fat distribution, blood pressure measurement, fasting lipids and an oral glucose tolerance test. The anthropometric and cardiometabolic characteristics of O-OW were compared with those of O-NW, and the relationship to maternal BMI was evaluated. RESULTS: Subjects (mean age: 12.6 ± 0.4, female: 52.9%) had similar gestational age, birth weight, age, gender, and Tanner stage. However, O-OW had a significantly higher BMI (24.4 ± 1.2 vs. 19.7 ± 0.8 kg/m(2) , p = 0.001), % body fat (31.7 ± 1.6 vs. 24.6 ± 1.1%, p < 0.001), visceral fat (41.9 ± 4.7 vs. 26.1 ± 3.9 cm(2) , p = 0.012) with no difference in lean body mass compared with O-NW. O-OW had lower whole body insulin sensitivity index (WBISI) with an adverse cardiovascular disease risk profile [higher blood pressure (BP), triglycerides to high-density lipoprotein (HDL) ratio, hs-C-reactive protein (CRP) and lower HDL]. In addition to offspring's %body fat (β = -0.60, p < 0.001), maternal pre-pregnancy BMI (β = -0.19, p = 0.046) contributed significantly and independently to the offspring's WBISI (R(2) =0.55, p < 0.001). CONCLUSIONS: High pre-pregnancy BMI is an important contributor to excess adiposity, insulin resistance, and cardiometabolic disease risk in the offspring during childhood.
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