期刊
INTERNATIONAL JOURNAL OF GYNECOLOGY & OBSTETRICS
卷 138, 期 2, 页码 133-137出版社
WILEY
DOI: 10.1002/ijgo.12202
关键词
Body mass index; Fetal body composition; Fetal growth; Fetal weight; Obesity; Pregnancy; Ultrasonography; Visceral adiposity
Objective: To determine the correlation between pre-pregnancy body mass index (BMI) and maternal visceral adiposity with fetal biometry during the second trimester. Methods: A cross-sectional observational study was conducted among pregnant women who received prenatal care at a center in Recife, Brazil, between October 3, 2011, and September 27, 2013. Pre-pregnancy BMI was determined at the first prenatal care visit. Maternal visceral adiposity and fetal biometry were measured at the same ultrasonography session. The associations between maternal and fetal variables were evaluated using the Pearson correlation coefficient (R). The Student t test was used to test the null hypothesis of adjusted correlation coefficients. Results: Overall, 740 women were included. No correlation was found between pre-pregnancy BMI and any of the fetal biometric variables assessed. By contrast, maternal visceral adiposity positively correlated with fetal abdominal circumference (R=0.529), estimated fetal weight (R=0.524), head circumference (R=0.521), femur length (R=0.521), and biparietal diameter (R=0.524; P<0.001 for all fetal variables). These findings remained statistically significant after controlling for pregnancy length. Conclusion: Maternal visceral adiposity, but not pre-pregnancy BMI, positively correlated with fetal biometry during the second trimester.
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