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The mean length (second column) in mms from month to month (first column) of a newly born child. Data obtained by Russow, as reported in "On Growth and Form" by D'Arcy Thomas, Dover, 1992, page 110.

1st col	2nd col
0	500
1	540
2	580
3	600
4	620
5	640
6	650
7	660
8	675
9	680
10	690
11	705
12	720