Abstract
A total of 60 placentas, 30 from normal newborn infants and 30 (of these 6 were premature) from malnourished newborn infants, were included in this study.The average weight of the placentas is 463 grams in the normal infants and 339 grams in the malnourished infants. The average fetoplacental weight ratio (F:P) is 7.33 in the normal group and is 6.68 in the malnourished group.Microscopic measurements of the placental constituents were undertaken on the villous area, villous diameter, and the total amount of syncytial trophoblast. 1.1. The average value of the total villous area is 57.7 per cent in volume in the normal group but it is 53.6 per cent in volume in the malnourished group.2.2. The average villous diameter is 38.3 μ in the normal group and is 38.2 μ in the malnourished group.3.3. The average total volume of syncytial trophoblast is 15.3 per cent in the normal group and is 17.5 per cent in the malnourished group.Among these 3 microscopic measurements the total villous area is the only one which shows a significant difference (0.02 < p < 0.05) between malnourished and normal infants. However, we feel that it is not possible in practice to differentiate the placentas of these two groups by means of the microscopic measurements which were undertaken in this study.
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