3°Exhibit C 63—64.
C 64Time passed
since birth
of preceding childless than
1 yearall children
together
1-1J ij-i£ i^-ifiJ-2 2-3 over 3 years
Figure C 63.
Figure C 64 shows the parallelism_j3etween the jiverage_Jength__oM)rea^-
feeding and the average time between births within the families. A half to
three-quarters of the mothers who suckled either long enough or very long
show an interval between births of from to 3 years, whereas of those who
did not suckle at all, or only did so insufficiently, only one-third belong to
this group, and figure largely in the column of lower birth intervals.
Dependence of Infant Mortality on the Average Duration
of Breast-Feeding and the Average Length of Time
Intervening between the Successive Births of the
Children in a Family.□ Average infant mortality of
the group in question.
Infant mortality according
to an average length of time
intervening between succes
sive births of
If the preceding child was suckled for at least 39 weeks, only thirty-eight,
and with a suckling period of more than a year only twenty mothers have
to reckon on a fresh birth within if years.
Dependence of Infant Mortality on the Duration of Breast-
Feeding and the Length of Time Intervening Between
Successive Births.D Average infant mortality of
the group in question.
Infant mortality arranged
according to duration ot
breast-feeding.
(5>233 children, after Dr. Marie Baum.)
(1,495 families with 7,983 living-born children,
after Dr. Marie Baum.)■^essttianlyearj-— 0
» 1 h) IV»
ea ft - iV
bu te - iV-j..
^ 1V 2 »
O 2 - 5 •’
!■ over 5 ••
Duration of
breast-feeding in weeks39-52 over 52 all children together
26-39
Figure C 64.
