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June 13, 1903

THE WEIGHT WAVE OF MENSTRUATION.A PRELIMINARY NOTE.

JAMA. 1903;XL(24):1650-1651. doi:10.1001/jama.1903.92490240006002j

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Abstract

The record of the daily weight of four healthy, unmarried women between 22 and 29 years of age, and of average menstrual regularity, during a total of twenty-three menstrual periods, discloses a phenomenon which I have termed the weight wave of menstruation. This comprises the following features:

1. During several days, especially the first, preceding the menstrual flow, there occurs a progressive increase in the weight of a healthy young woman, often comprising—especially in winter—from two and one-half to five pounds, which may be from 1/2 to 5 per cent. of her usual weight. The climax of this gain is immediately followed by the rapid loss of a large part, perhaps half, of this increase in weight (often within eight to sixteen hours) and then a more gradual loss of the remainder, extending over several days (Fig. 1).

2. The menstrual flow begins during the rapid loss of weight

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