The London practice of midwifery : including the most important diseases of women and children. Chiefly designed for the use of students and early practitioners / by Geo. Jewel, M.D.
- Jewel, George, active approximately 1833.
- Date:
- 1833
Licence: Public Domain Mark
Credit: The London practice of midwifery : including the most important diseases of women and children. Chiefly designed for the use of students and early practitioners / by Geo. Jewel, M.D. Source: Wellcome Collection.
Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.
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![is from the arteries themselves, as it has been seen flowing from their curling extremities [which ter- minate on the mucous lining of the uterus']. We therefore may define the menstrual fluid to be a secretion, perfectly different from blood, although it resembles it in colour ; which secretion returns once in every lunar month. When we say it returns at the completion of the month, we should not lay it down as an invariable rule; for women in perfect health have been known to menstruate every twenty- five days; while others as regularly pass to the thirty- first; but the average period is still twenty-eight days. When the menstrual discharge takes place, its time of lasting is generally three or four days ; it will some- times continue only for one or two ; but the average time is three or four days; and as to the proportional quantity lost on each day, on the first, and third day, the woman loses a fourth of the whole quantity each day, and, on the middle day, about the other half. The quantity lost will generally be three or four ounces, a single ounce on the first day, two on the second, and the fourth and last ounce on the third day. There is nothing, however, more affected by the climate than this: in warm climates the quantity being increased, while it is diminished in cold ones. Linnaeus, in his account of Lapland, says, that the quantity lost there is never above half an ounce or an ounce. In the islands of the Archipelago, Hip- pocrates observed, that the women lost near twenty ounces of blood by this evacuation—« Avo xnv\m AtW; and it is very curious that Dr. Freind, in writing an account of the discharge as it happens in](https://iiif.wellcomecollection.org/image/b21298348_0023.jp2/full/800%2C/0/default.jpg)