Energy supplementation during pregnancy and postnatal growth

Area of Science:

• Maternal and Child Health
• Nutritional Epidemiology
• Developmental Pediatrics

Background:

• Previous research on maternal nutrition's impact on child growth was confounded by concurrent child supplementation.
• Maternal energy deficiency is a concern in many reproductive-age women.

Purpose of the Study:

• To assess the effect of maternal energy supplementation during pregnancy on child growth.
• To evaluate the impact on malnutrition rates in preschool children.

Main Methods:

• A controlled randomized trial involving pregnant women receiving high (HE) or low (LE) energy supplements in the last trimester.
• Longitudinal assessment of child growth for 5 years, including weight, height, and growth curves.
• Analysis included children whose mothers complied with supplementation for at least 90 days.

Main Results:

• High energy (HE) supplemented children were significantly heavier up to 24 months and taller throughout the first 5 years.
• Stunting (height-for-age) was less prevalent in the HE group.
• Weight-for-height by age was similar between groups, indicating specific effects on linear growth and overall weight.

Conclusions:

• Maternal energy supplementation in the final 90 days of pregnancy promotes postnatal growth.
• This intervention effectively reduces malnutrition in preschool children in chronically undernourished communities.
• Targeted maternal nutrition can improve long-term child development outcomes.