Infant welfare work in this country, in the sense of consistent scientific investigation and the application of well defined principles has only existed during the last few years. Ten years ago efforts directed toward the welfare of babies and children were largely sporadic and disjointed. The results of such work were inappreciable. It was only with the continuous application of the principles of prevention that progress has been made and results can be said to have been accomplished.
Probably the most striking example of recent methods lies in regarding the mother as the object of attack in the problem of reducing infant mortality. A. Keller has stated, "The protection of motherhood is the best protection on infants. The care of the mother is inseparably bound up with the protection of infancy." This is practically the key note of modern methods of infant welfare work, whether it be the real mother