Königstein’s first description of this type of haemorrhage also comprised the first speculation on its origin. A great number of subsequent authors tried to solve the problem from many different points of view. Since there is not one invididual factor which explains perinatal retinal haemorrhage, and since many series studied were too small for a proper evaluation, the results obtained are in considerable disagreement. To evaluate the different factors discussed in connection with perinatal haemorrhage an extensive review of the literature is given and comparisons are made with the observations in our series. Thus, from the multitude of factors presumed to cause these haemorrhages it may be possible to select a few more important ones.
KeywordsPermeability Retina Peri Fibrinogen Tral
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