Template:Hartman1928 table1

Table 1

Ovulation and birth dates, by years and for the first six weeks of each year (compare graphs in text fig. B)

29—FEB. 4 1 5-11 1 1 14 Ovulations 9 Births 0 Ovulations 1 8 3 3 ' 1 0 21 1915 »Births ‘ 0 1 6 Ovulations 1 4 13 5 4 0 O l 27 91 Births .0 1 1 0 4 2 4 12 Ovulations 6 17 25 32 3 0 O 84 1917 ~Birihs 0 1 0 7 4 3 1 M 16 1 Ovulations 1 i 1 1920 Births 8 3 5 1 17 Ovulations 1 4 18 19 42 1921 Births 0 1 4 5 7 4 l 2 22 1 Ovulations 4 4 9 5 22 1922 ‘Births 0 0 8 o 3 11 Ovulations 1 1 1 I 3 1924 Births 0 to 1 ' 2 1925 B:]i1t:,S’t1o11s T t 1 Ovulations ° ‘* S Births 24 19 y 3 111