IMR Press / CEOG / Volume 46 / Issue 2 / DOI: 10.12891/ceog4742.2019
Open Access Original Research
The effect of maternal body mass index on the placental thickness
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1 Department Of Radiology, Medicine Faculty, Recep Tayyip Erdoğan University, Rize, Turkey
Clin. Exp. Obstet. Gynecol. 2019, 46(2), 274–276; https://doi.org/10.12891/ceog4742.2019
Published: 10 April 2019
Abstract

Introduction The increase in the placental thickness (mm) in the second trimester of pregnancy is associated with placenta-mediated pregnancy complications. The authors aimed to evaluate the effect of maternal BMI (kg/cm ²) on the placental thickness in the second trimester. Materials and Methods The second trimester is a prospective study in which 832 pregnant women (gestational age between weeks 18 and 24) were examined. The measurements of BMI and placental thickness of the participants were statistically evaluated by simple linear regression analysis. Results The average chronological age of the 832 participating pregnant women was 28.64. The average placental thickness was 25.30 mm and the average BMI value was 26.46 kg/cm ². Simple linear regression analysis was performed for evaluating the effect of BMI (independent variable) on the placental thickness (dependent variable). A regression equation in the form of [F (1.830) = 5.833; p= 0.016 < 0.05] and R ² = 0.007 was obtained in the analysis. The placental thickness was 23.063 + 0.085 mm for the second trimester.Conclusion A positively significant linear relationship was observed between the placental thickness and BMI. According to this, a one-unit increase in the BMI affects the placental thickness by 0.085 mm. The importance of these findings will be understood in a future result-oriented study. Using modifications according to the maternal BMI in calculating the placental thickness will contribute to the sensitive medicine approach as well.

Keywords
Pregnancy
Placenta
Ultrasound
Body Mass Index
Precision medicine
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