Excerpt from On the Fate of the Human Embryo in Tubal Pregnancy It is of interest to consider together the pathological ova obtained from tubal pregnancies, for it is through a study of these that light may be thrown upon the question whether their condition is inherited or is due to faulty environment. In the former case, the percentage Of pathological embryos should be the same as among those Obtained from the uterus; in the latter, the percentage should be increased. Various writers have stated that in tubal ...
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Excerpt from On the Fate of the Human Embryo in Tubal Pregnancy It is of interest to consider together the pathological ova obtained from tubal pregnancies, for it is through a study of these that light may be thrown upon the question whether their condition is inherited or is due to faulty environment. In the former case, the percentage Of pathological embryos should be the same as among those Obtained from the uterus; in the latter, the percentage should be increased. Various writers have stated that in tubal pregnancies embryos are rarely found, but that remnants of the chorion are common. Nevertheless the proviso is made that when the tube has been found ruptured and much blood has escaped into the peritoneal cavity, the embryo may have been present, but may not have been found on account Of the great quantity of blood. On the other hand, Professor Brodel informed me in 1907 that among 11 cases of t'ubal pregnancies recorded in his catalogue of human embryos 9 normal specimens were found. At that time 7 tubal pregnancies out of 19 in our collection contained normal embryos. It must be remembered that at that time the rule Of surgeons was to withhold the patho logical specimens and to send us only the normal embryos. Taking into considera tion, then, only the tubes that were sent to us unopened, and excluding those Obtained from Dr. Kelly's gynecological laboratory, I found in 7 specimens 2 ova without embryos, 4 with pathological embryos, and only 1 with a normal embryo. The other 6 normal embryos spoken of above were all recognized by the surgeons as normal and valuable specimens before they came into our hands. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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