Abstract
Several studies to determine the growth pattern of exclusively breast fed infants have provided varying conclusions as to the sufficiency of breast milk alone to support adequate growth for the first six months of life. Disagreement exists concerning the optimal timing of introduction of complementary foods to exclusively breast fed infants. This prospective study thus examined the adequacy of breast milk alone to support normal growth during the first six months of life in our environment. The overall objective was to propose a scientifically sound national recommendation on the appropriate timing for the introduction of complementary feeding in Nigeria.
Three hundred and fifty-two mother/infant pairs were serially recruited into the study; all babies were aged 14 days or less and weighed 2.5kg and above. Three hundred and forty-five (98%) were successfully followed up till the infants were six months old. By six months, 264 (76.5%) were exclusively breast-fed, while 81 (23.5%) had commenced complementary feeding. Growth curves of exclusively breast-fed infants showed increasing weight from birth to six months. Although the 50th percentile birth weight for both boys and girls were the same (3.2kg), boys gained weight faster than the girls from the age of one month to six months and were heavier at six months. Additionally, the 50th percentile curves of these infants (both genders) for the first six months were above the 50th percentile curve of the World Health Organisation and National Centre for Health Statistics (WHO/NCHS) reference currently used on our national “road to health” (growth monitoring) cards.
It was concluded that exclusive breast-feeding supported adequate growth during the first six months of life for most of the children studied and that our national recommendation that infants be introduced to complementary feeding at six months is appropriate.
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