Does type of feeding in infancy influence lipid profile in later life?

Devender Chhonker1, M M A Faridi, Manish Narang

  • 1Department of Pediatrics, University College of Medical Sciences & Guru Teg Bahadur Hospital, 110095, Shahdara, Delhi, India.

Insights

Exclusive breastfeeding (EBF) and mixed feeding (MF) show distinct infant lipid profiles, particularly in total cholesterol and HDL-C, though differences normalize by one year. The HDL-C:LDL-C ratio remains higher in breastfed infants.

Area of Science:

  • Pediatrics
  • Nutrition Science
  • Biochemistry

Background:

  • Infant feeding practices significantly influence early-life health.
  • Understanding the impact of breastfeeding on lipid profiles is crucial for long-term cardiovascular health.
  • Existing research shows varied effects of different feeding modalities on infant metabolism.

Purpose of the Study:

  • To compare the serum lipid profiles of exclusively breastfed (EBF) infants versus mixed-fed (MF) infants.
  • To track changes in total cholesterol, HDL-C, and triglycerides from 6 months to 1 year of age.
  • To investigate the implications of infant feeding on lipid parameters relevant to cardiovascular health.

Main Methods:

  • Prospective comparative study of 199 healthy term infants (105 EBF, 94 MF) from 6 months to 1 year.
  • Serum lipid levels (Total Cholesterol, HDL-C, Triglycerides) measured at 6, 9, and 12 months.
  • Statistical analysis using SPSS software to compare lipid profiles between feeding groups.

Main Results:

  • At 6 months, exclusively breastfed infants had significantly higher mean total cholesterol than mixed-fed infants.
  • At 9 months, significant differences were observed in HDL-C and triglyceride levels between EBF and MF groups.
  • Lipid profiles were comparable at 1 year, but the HDL-C:LDL-C ratio was significantly higher in the EBF group.

Conclusions:

  • Exclusive breastfeeding and mixed feeding result in differential infant lipid profiles during the first year of life.
  • Early differences in lipid parameters may have long-term implications for cardiovascular health.
  • The higher HDL-C:LDL-C ratio in breastfed infants at 1 year suggests a potentially more favorable lipid profile.
Abstract

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