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[Morphological research of fibrinoid and intervillous space of human term placenta in relation to the age of pregnant woman].

Fibrinoid and intervillous spaces of the mature human placenta were morphologically and quantitatively examined in pregnant women of different ages. The aim of this research was to compare the results and to confirm if there is some quantitative difference between fibrinoid and intervillous spaces of placenta related to the age of pregnant women. The examined group of women were of age between 20 and 45 years, and they were divided into two groups: 1) pregnant women 20-35 year old; 2) pregnant women over 35 years old. The volume density and absolute volume of fibrinoid and intervillous space of placenta were stereologically examined. Volume densities of fibrinoid and intervillous space of placentas in older pregnant women compared to younger is significantly increased. Absolute volumes of fibrinoid and intervillous space of placentas in younger and older pregnant women are not significantly different.