Search for: [Abstract = "Pregnancy induced hypertension \(PIH\) is a serious complication of gestation of still unknown etiopathogenesis. The data from the literature indirectly indicates that the contributing factor influencing the development of PIH is oxidative stress. This phenomenon causes the change of the amount of paramagnetic substances in the placenta. Hence the aims of the study are\: 1. Assessment of the content of paramagnetic substances, inclusive of free radicals in the placenta of healthy pregnant women and women with pregnancy induced hypertension. 2. Determining the differences in the content of nitric oxide as a paramagnetic substance in the placenta of pregnant females with uncomplicated gestation and gestation complicated by PIH. 3. Determining the differences in the histological structure of the placenta of pregnant females with uncomplicated gestation and gestation complicated by PIH. Samples of the placentas collected from women with physiologically normal gestation and from those with diagnosed pregnancy induced hypertension were investigated using electron paramagnetic resonance \(EPR\) spectroscopy. Nitric oxide was also determined with the Griess’s method. Moreover, histopathological examination of the placenta samples was carried out, which was documented with numerous microscope photographs. The results obtained from electron paramagnetic resonance spectroscopy revealed the dif"]

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