One of the most common practices of this kind is that of nursing one baby too long in the hope of preventing the birth of the next. The "poor whites" of the South and many of the foreign-born women of the United States pin their hopes to this method. Often they persist in nursing a child until it is eighteen months old--almost always until they become pregnant again. Prolonged nursing hurts both child and mother, it is said. In the child it causes a tendency to brain disease, probably through disordered digestion and nutrition. In the mother it causes a strong tendency to deafness and blindness. If a child is nursed after it is twelve months old, it is generally pale, flabby and unhealthy, often rickety, one authority points out, while the mother is usually nervous, emaciated and hysterical. If pregnancy occurs under these conditions, the mother not only injures her own health but that of the next child, often developing in it a weakness of constitution which it never overcomes. Moreover, prolonged nursing has been found to be unreliable as a contraceptive. We know this upon good authority. It should not be depended upon at all. In the same class is the so-called "safe period" referred to in another chapter. For many women there is never any "safe period." Others have "safe periods" for a number of years, only to find themselves pregnant because these periods have ceased without warning. One of the most frequent of all the mistakes made in recommending contraceptives is the advice to use an antiseptic or cold-water douche. This error seems to be surprisingly persistent. I am particularly surprised to hear from women that such douches have been prescribed by physicians. Any physician who knows the first rudiments of physiology and anatomy must also know that necessary and important as an antiseptic douche is as a cleanser and hygienic measure, it is assuredly not to be advised as a means of preventing conception. A woman may, and often does, become pregnant before she can make use of a douche. This is particularly likely to happen if her uterus is low. And the woman who does much walking, who stands for long hours or who uses the sewing machine a great deal is likely to have a low uterus. It is then much easier for the spermatazoa to enter almost directly into the womb than it would otherwise be, and the douche, no matter how soon it is used, is likely to be ineffective. The tendency of the uterus to drop under strain goes far to explain why some women who have depended upon the douche for years suddenly find themselves pregnant. Do not depend upon the douche. As a cleansing agent, it is a necessary part of every woman's toilet, but it is not a preventive. Even if the douche were dependable, the absence of sanitary convenience from households in remote districts and the difficulty of using a douche in crowded tenements would prevent many women from making use of it.