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Outline
To explore the association between maternal lipid levels during pregnancy and the risk of overweight and obesity in offspring at 3 years of age, providing scientific evidences for the prevention and control of childhood obesity.
A total of 2 432 mother-child pairs with maternal lipid tests during pregnancy and offspring's physical growth data at 3 years of age were included from the Borin in Guangzhou Cohort Study up to September 2021. Lipid indicators, including high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol(LDL-C), triglycerides (TG), and total cholesterol (TC), were measured at 13-19+6 weeks (mid-pregnancy) and 32-39+6 weeks (late pregnancy). Children's body mass index (BMI) Z score were calculated according to the World Health Organization's growth standards for children under 5 years old. The lipid Z score were divided into four quartiles: Q1, Q2, Q3 and Q4. Linear regression was used to analyze the relationship between maternal lipid levels during pregnancy and offspring's BMI Z score at 3 years of age. Poisson regression with a robust error variance was employed to evaluate the association between maternal lipid levels during pregnancy and the at-risk of overweight and obesity in offspring at 3 years of age, after adjusting for maternal age at conception, education level, parity, pre-pregnancy BMI and gestational diabetes mellitus.
There was a statistically significnt difference in the detection rate of overweight and obesity risk among children with different mothers's pre-pregnancy BMI (χ2=22.85, P < 0.05). Linear regression analysis showed that TG levels in late-pregnancy were positively related to BMI Z score (β=0.10, 95%CI=0.02-0.18, P < 0.05). Poisson regression with a robust error variance indicated that, compared with the Q1 group of TC, the Q4 group of TC in mid-pregnancy was associated with an increased risk of overweight and obesity in offspring at 3 years of age (RR=1.59, 95%CI=1.04-2.44); compared with the Q1 group of TG, the Q4 group of TG during late-pregnancy increased the risk of overweight and obesity in offspring at 3 years of age (RR=1.79, 95%CI=1.02-3.12) (both P < 0.05).
Maternal serum TC level during mid-pregnancy can increase the risk of overweight and obesity in offspring at 3 years of age. Maternal serum TG levels during late-pregnancy is positively correlated with BMI and the risk of overweight and obesity in offspring at 3 years of age.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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