Detailed information on women's reproductive factors was also collected, such as age at menarche, the number of pregnancies, abortions, live births, and
the total duration of any breastfeeding for each live birth.
Various studies also show that early introduction of other foods also lowers
the total duration of breastfeeding (and thus its health benefits).
Not exact matches
In particular,
breastfeeding may be
of concern because it has been shown to be associated with both child's use
of antibiotics36, 37 and cow's milk allergy, although inconsistently so.38 In a large Finnish birth cohort, the median
durations of exclusive and
total breastfeeding were 1.4 months and 7.0 months, respectively, and the proportion
of breastfed infants decreased from 95 % at the age
of 1 month to 58 % at the age
of 6 months.39 Another limitation is our reliance on pharmacy records, which provides only a rough estimation
of drug use.
A significantly reduced risk
of breast cancer was also found for those whose lifetime
duration of lactation
totaled 73 - 108 months (odds ratio = 0.47, 95 % CI: 0.23, 0.95) and for those who
breastfed for > or = 109 months (odds ratio = 0.24, 95 % CI: 0.11, 0.53).
▶
Breastfeeding over the first 2 years of life, measured by maternal self - report at child - age 1, 6 and 12 months, and collated as total duration (in weeks) of breastfeeding, and age (in weeks) at introducti
Breastfeeding over the first 2 years
of life, measured by maternal self - report at child - age 1, 6 and 12 months, and collated as
total duration (in weeks)
of breastfeeding, and age (in weeks) at introducti
breastfeeding, and age (in weeks) at introduction
of solids.