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Dawson believes that the fundamental principle in the causation of sex is the ovary from which the ovum is discharged, the right side yielding the male, and the left side the female offspring.extensive experiences, case histories, observations, etc., to petc.,theory. The is theory. The Par ticular for publishing a new edition of the book at this time, the author says, is the desirability of increasing the birth of males to offset the large numbrge number of deaths ciatedthe war. The proposition of making the making the practical consistsrmining which ovary is ovulating at a definite time. This, he believes, may somehow be made feasible through the roentgen ray or through working out from the data of a previous child'sevious child's birth which ovary is workingring cerain months. s. This much must said: The book is entertaining.
Causationn of Sex in Man. A New Theory of Sex Based on Clinical Materials, Together with Chapters on Forecasting or Predicting the Sex of the Unborn Child and on the Determination or Production of Either Sex at Will.. JAMA. 1918;70(2):123. doi:10.1001/jama.1918.02600020057034