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Effects of solid foods on growth of bottle-fed infants in first three months of life
Insights
Introducing solid foods early to bottle-fed infants did not significantly affect early growth rates. Further research is needed to understand how infants utilize these non-milk solids.
Area of Science:
- Pediatrics
- Infant Nutrition
- Developmental Biology
Background:
- Early introduction of non-milk solids is common in infant feeding practices.
- Understanding the impact of early solid food introduction on infant growth is crucial for developmental health.
Purpose of the Study:
- To investigate the effect of early non-milk solid introduction on the growth of bottle-fed infants.
- To compare growth rates between infants introduced to solids at different early ages and those exclusively formula-fed.
Main Methods:
- A cohort of 821 bottle-fed infants was studied from birth to three months.
- Infants were categorized into three groups based on the timing of solid food introduction: before 6 weeks, 6 weeks to 3 months, and exclusively formula-fed.
- Infant weight and length were measured at birth (7-10 days) and at three months, with mean weekly growth rates calculated.
Main Results:
- No significant differences in mean weekly weight or length gain were observed among the three groups over the first three months.
- The study did not record the quantity of solid foods consumed, limiting the ability to explain growth findings.
Conclusions:
- Early introduction of non-milk solids within the first three months of life does not appear to significantly impact early growth in bottle-fed infants.
- Further studies are required to elucidate the utilization of solid foods by young infants and their precise effect on growth.
Abstract:
We studied 821 infants who were bottle-fed from birth to determine whether non-milk solids begun within the first 3 monts of life affect early growth. The infants were seen seven to 10 days and three months after birth. They were divided into three groups-those who had started solids before 6 weeks of age (657 infants); those who had started solids between the ages of 6 weeks and 3 months (124 infants); and those given cow's milk formulae alone during the first three months (40 infants). The infants were weighed and measured seven to 10 days after birth and at three months. Mean weekly rates of weight and length gain over the 3 months were calculated and did not differ significantly between the three groups. As no record was made of quantities of food taken we cannot explain the failure of solid foods to affect growth. Studies of how young infants utilise these foods are needed.