The Influence of Menstruation on Lactation.
—The question whether a menstruating mother should continue to nurse her child, has been answered differently by many writers; some say it alters the quantity of milk, others the quality, and still others both quantity and quality. N. Davis, Vernois and Becquerel and Emil Pfeiffer alone have considered this matter scientifically. Schlichter (Wien. Klin. Wochenschr., ii, 51, 52, 1889; iii, 4-5, 1890), has attempted to add some needed observations in this direction. The analysis of the milk, which consisted of the determination of the fat, casein, total albumen, and total solids, gave in the milk of nine mothers no difference in the quality when menstruating; indeed the differences were less than normally occurred at different periods of the same day.The children of fifty nursing mothers, who menstruated within two and one-half months of their confinement, were examined as to their weight and general