The study of a normal process in an organ so especially prone to disease as is the human uterus, is beset with many difficulties; so many foreign conditions are apt to be present, giving a false impression as to what this process really is. That this is the case to no small degree, when the character of the changes which occur in the normal involution of the uterus after child-birth is the subject of observation, is shown by the variety of opinions held and stated by doubtlessly competent

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... ers; for while one holds that the muscle undergoes a fatty degeneration, another holds that no such fatty change occurs; while one asserts that only a certain number of the fibres degenerate and disappear, another states that so complete is the destruction, that not one single fibre present in the uterus before birth survives the process; while another goes to the extent of saying, that the puerperal uterus can in no way be distinguished from a uterus that has undergone an inflammatory process.