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[Alpha-fetoproteins in maternal serum. Radioimmunologic determination in current obstetrical practice. Analysis of
Abstract:
The analysis of 669 levels of maternal serum alpha-fetoproteins carried out using a radio-immunological technique with double antibodies has enabled a diagram of normal values to be established on the one hand has shown up certain modifications of levels when different pathological conditions arise in pregnancy on the other hand. Raised levels were found in: intra-uterine fetal death. In some cases the rise preceded death, in twin pregnancies. Low levels were found in: severe pre-eclamptic pregnancies, in low intra-uterine fetal growth after the 32nd week, in threatened premature labour. Finally, the levels of AFP in the maternal serum were found to be normal in two cases where there were neural tube malformations. The existence of variations in the levels of AFP in maternal serum in a variety of pathological features suggests that these levels could be used as a new parameter in the biochemical monitoring of the fetus.