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Nutrient supplementation during the first 1000 days and growth of infants born to pregnant adolescents.

ABSTRACT: Few studies have evaluated the impact of nutritional supplementation among pregnant adolescents. We examined the effects of the Rang Din Nutrition Study (RDNS) interventions on children born to mothers <20 years of age. The RDNS was a cluster-randomized effectiveness trial with four arms: (1) women and children both received small-quantity lipid-based nutrient supplements (LNS-LNS), (2) women received iron and folic acid (IFA) and children received LNS (IFA-LNS), (3) women received IFA and children received micronutrient powder (MNP) (IFA-MNP), and (4) women received IFA and children received no supplements (IFA-Control). We enrolled 4011 women at <20 weeks gestation; 1552 were adolescents. Among adolescents, prenatal LNS reduced newborn stunting by 25% and small head size by 28% and had a marginally significant effect on newborn wasting, compared with IFA. Low birth weight and preterm birth were reduced only among adolescents with lower food security. Effects on subsequent growth status were observed only among female children in the LNS-LNS group: less stunting at 18 months (versus IFA-MNP) and lower prevalence of small head circumference and wasting at 24 months (versus IFA-Control). Initiatives targeting pregnant adolescents in similar settings should consider inclusion of small-quantity LNS, particularly for adolescents living in food-insecure households.

SUBMITTER: Dewey KG

PROVIDER: S-EPMC7317730 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Nutrient supplementation during the first 1000 days and growth of infants born to pregnant adolescents.

Dewey Kathryn G KG Matias Susana L SL Mridha Malay K MK Arnold Charles D CD

Annals of the New York Academy of Sciences 20190804 1

Few studies have evaluated the impact of nutritional supplementation among pregnant adolescents. We examined the effects of the Rang Din Nutrition Study (RDNS) interventions on children born to mothers <20 years of age. The RDNS was a cluster-randomized effectiveness trial with four arms: (1) women and children both received small-quantity lipid-based nutrient supplements (LNS-LNS), (2) women received iron and folic acid (IFA) and children received LNS (IFA-LNS), (3) women received IFA and child ...[more]

PMID: 31378980

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Project description:BackgroundChildhood stunting can start in the womb and continue for two years. Therefore, the first 1000 days of life between a woman's pregnancy and her child's 2nd birthday offer a unique window of opportunity to build healthier and more prosperous futures. Therefore, we aimed to assess the effectiveness of nutritional supplementation during the first 1000-days to reduce the prevalence of stunting in children at 24 months of age.MethodsIn this cluster randomized controlled trial, we enrolled women during their pregnancy from two rural districts of Sindh, Pakistan. A cluster was one union council with a population of ∼25000 residents. Out of 29 clusters, we randomly allocated 6 clusters to the intervention and control groups each. Pregnant women received a monthly supply of 5 kg (i.e., 165 grams/day) of wheat soya blend plus (WSB+) during pregnancy and the first six months of their lactation period. In addition, their children received lipid-based nutrient supplement - medium-quantity (LNS-MQ) between 6-23 months of age. The primary outcome was a reduction in the prevalence of stunting in children at 24 months of age. Analysis was an intention to treat. The trial is registered on ClinicalTrial.gov, number NCT02422953.FindingsTwo thousand thirty pregnant women (1017 in the intervention group and 1013 in the control group) were enrolled between August 30, 2014, and May 25, 2016. Monthly follow-ups were conducted between October 1, 2014, and October 25, 2018. At 24 months of age, we captured data from 699 (78%) of 892 live births in the intervention group and 653 (76%) of 853 live births in the control group. There was a significant difference in mean length (49.4 cm vs 48.9 cm, p =0.027), weight (3.1 kg vs 3.0 kg, p =0.013), length for age z-scores (-1.2 vs -1.5, p =0.004) and weight for age z-scores (-1.2 vs -1.5, p =0.015) among infants in the intervention compared to control group. At 24 months of age, a significant difference in the prevalence of stunting (absolute difference, 10.2%, 95% CI 18.2 to 2.3, p =0.017) and underweight (absolute difference, 13.7%, 95% CI 20.3 to 7.0, p =0.001) were observed in the intervention as compared to the control group. The prevalence of wasting was not significantly different between the intervention and control groups (absolute difference, 6.9%, 95% CI 14.1 to 0.3, p =0.057).InterpretationProvision of WSB+ and LNS-MQ during the first 1000-days of life improved child linear growth and reduced stunting in children at 24 months. This study can be scaled-up in similar settings to lower the prevalence of stunting in children under two years of age.FundingWorld Food Programme, Pakistan.

Project description:Abstract Objectives We aimed to assess the effectiveness of nutritional supplementation during the first 1000-days on reduction in the prevalence of stunting in children at 24 months of age. Methods In this cluster randomised controlled trial, we enrolled women during their pregnancy from two rural districts of Sindh, Pakistan. A cluster was one union council with a population of ∼25,000 residents. Out of 29 clusters, we randomly allocated 6 clusters to intervention and 6 to control group. Pregnant women received a monthly ration of 5 kg (i.e., 165 grams/day) of wheat soya blend plus (WSB+) during pregnancy and the first six months of their lactation period, and their children received lipid-based nutrient supplement - medium-quantity (LNS-MQ) between 6–23 months of age. The primary outcome was reduction in the prevalence of stunting in children at 24 months of age. Analysis was by intention to treat. The trial is registered in ClinicalTrial.gov, number NCT02422953. Results 2030 pregnant women (1017 in the intervention group and 1013 in the control group) were enrolled between August 30, 2014 and May 25, 2016. Monthly follow-ups were conducted between October 1, 2014 and October 25, 2018. At 24 months of age, data from 702 (78%) of 902 livebirths in the intervention group and 658 (76%) of 860 livebirths in the control group were available. There was a significant difference in mean length (49.4 cm vs 48.9 cm, p = 0.027), weight (3.1 kg vs 3.0 kg, p = 0.013), length for age z-scores (−1.2 vs −1.5, p = 0.004) and weight for age z-scores (−1.2 vs −1.5, p = 0.015) among infants in the intervention compared to control group. At 24 months of age, a significant difference in the prevalence of stunting (absolute difference, −10.2%, 95% CI −18.2 to −2.3, p = 0.017) and underweight (absolute difference, −13.7%, 95% CI −20.3 to −7.0, p = 0.001) were observed in the intervention as compared to the control group. The difference in the prevalence of wasting was not significant between the intervention and control groups (absolute difference, −6.9%, 95% CI −14.1 to −0.3, p = 0.057). Conclusions Provision of WSB + and LNS-MQ during the first 1000-days of life improved child linear growth and reduced stunting in children at 24 months of age. This study can be scaled-up in the similar settings for reduction in the prevalence of stunting in children under-two years of age. Funding Sources World Food Programme.

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Nutrient supplementation during the first 1000 days and growth of infants born to pregnant adolescents.

Publications

Nutrient supplementation during the first 1000 days and growth of infants born to pregnant adolescents.

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