Role of Morphometry of Placenta in Determination of Birth Weight of Fetus in Hypertensive Mothers
Morphometry of Placenta
Background: The present study was conducted to assess the association of morphometry of the placenta and birth weight of fetus in hypertensive mothers. Subjects and Methods: The present study was conducted on 74 pregnant women with an uncomplicated pregnancy and those with pregnancy-induced hypertension (PIH). The following morphometric parameters of each placenta were recorded: weight, volume, thickness, transverse diameter, and shape. Gestational age of mothers, sex and birth weight of newborns were recorded. Results: The majority of male babies with weight > 2500 grams had > 37 weeks of gestational age and the majority of female babies with weight >2500 grams had >37 weeks of gestational age. The mean weight of placentae in male babies was 416.7 grams, the mean surface area was 226.5 sq cm, mean volume was 372.2 ml and mean thickness were 2.04 cm. while the mean weight of placentae in female babies was 407.5 grams, the mean surface area was 220.4 sq cm, mean volume was 354.6 ml and mean thickness was 2.10 cm. Statistics show that the highest sensitivity and specificity for determining the low birth weight of babies in hypertensive mothers was seen with a surface area of the placenta which was 82.3% and 75.6% respectively. The positive predictive value for the weight of the placenta was 65.4%, for the surface area it was 67.8% and for the volume of the placenta, it was 64.2%. Conclusion: To conclude, it was found that placental morphometry like weight, surface area, volume and sex of the baby determined the birth weight efficiently in hypertensive mothers.
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