On the completion of the recent survey of the status of artificial insemination in the United States sponsored by the National Research Foundation for Eugenic Alleviation of Sterility, Inc., the following facts were disclosed. Thirty thousand physicians in this country were circularized. They were chosen because of the nature of their work and their association with a type of practice in which occasion to use artificial insemination might arise. Seven thousand, six hundred and fortytwo replies were received. These bore witness to the fact that 9,489 women had achieved at least one pregnancy by this method. Almost two thirds of all the successful pregnancies were effected through the use of the husband's semen alone; of these, 3,569 resulted in boys, while 2,271 resulted in girls. Donors were used successfully in 3,649 pregnancies, of which 2,107resulted in boys and 1,542 in girls. Figure 1 depicts this situation graphically. More than