Infancy / edited by T.N. Kelynack.

  • Kelynack, T. N. (Theophilis Nicholas), 1866-1944.
Date:
[1910]
Catalogue details

Licence: Public Domain Mark

Credit: Infancy / edited by T.N. Kelynack. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

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    weigh the infant once a week during the first year, and once a month in the second and third, and so on. Such records are of special value in schools and public institutions. Weight charts may be employed. An infant loses weight in the first three days of life, but recovers the birth-weight by the end of the first week. The average loss is from 5^ to 7 oz. A child should double its birth-weight in five months, and treble it in twelve. But hand-fed babies do not gain so rapidly. During the second year the average child gains about 5 lb., and for the next six years the gain is about 4 lb. a year. Table showing average weight at the end of each month during the first year of life. [Mean of observations by Bowditch and Fleischmann, Albrecht and Jfiedert.] Month. lb. oz. Month. lb. oz. I 8 14 7 17 II 2 11 7 8 18 7 3 13 7 9 19 3 4 14 11 10 19 11 5 iS IS 11 20 2 6 16 14 12 20 8 The growth in stature is given approximately in the following table (from Quetelet) : ngth at birth . 19'15 to 20 inches. „ at end of first month about 20 5 ,, ,, ,, second if .. 21 ,, ,, third !> • >» 22 || ,1 ■> fourth ,» ., 23 fifth ,. 235 „