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.
Highlights
The placenta is an organ that is affected by and affects both the fetus and the mother
The placental thickness in the second trimester of pregnancy is associated with placenta-mediated pregnancy complications [1]
Simple linear regression analysis was performed to be able to determine the effect of BMI on the placental thickness
Summary
The placenta is an organ that is affected by and affects both the fetus and the mother. As the present authors reviewed the literature, they observed that the fetal effects of placental thickness were more commonly discussed and some studies that affected the placental thickness were mentioned They did not see any studies with large samples related to association with the maternal BMI. In this study in which 832 pregnant women were examined, they demonstrated that there was a positive significant linear relationship between the maternal BMI and placental thickness and that a one-unit increase in the BMI affected the placental thickness by 0.085 mm Another multi-scale study of the authors in which some maternal biomarkers and fetal sonographic-Doppler data are added as well is ongoing. They aim to share the results of this large-scale study, which will be completed and in which the participants are followed up until the date of delivery for the pregnancy results
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