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New criterion of placental barrier maturity
1Department of Pathology, Medical Academy Gdańsk.
In 120 full term pregnancies and 20 premature deliveries number of plates thickness of epithelial plate and number of vili in 1 mm2 placenta have been determined by histological investigation. These morphometric studies lead to the following conclusion: the increase of placental transport ability corresponds with fetal age and weight. The ratio between number of plates to their thickness is introduced as transportation index. There is a correlation between placental morphology and fetal maturity.
In 120 full term pregnancies and 20 premature deliveries number of plates thickness of epithelial plate and number of vili in 1 mm2 placenta have been determined by histological investigation. These morphometric studies lead to the following conclusion: the increase of placental transport ability corresponds with fetal age and weight. The ratio between number of plates to their thickness is introduced as transportation index. There is a correlation between placental morphology and fetal maturity.