AI Article Synopsis
- Obesity and excess fat accumulation during pregnancy can lead to serious health issues for both mothers and their children, influencing body composition across the offspring's life.
- The study will assess if high prenatal DHA supplementation (1000 mg) vs. low supplementation (200 mg) during pregnancy can protect infants from adverse body composition changes caused by excessive gestational weight gain.
- The research aims to provide insights into prenatal factors that can help prevent obesity, with results expected to be published in academic venues to inform future strategies.
Article Abstract
Background: Obesity and central fat mass (FM) accrual drive disease development and are related to greater morbidity and mortality. Excessive gestational weight gain (GWG) increases fetal fat accretion resulting in greater offspring FM across the lifespan. Studies associate greater maternal docosahexaenoic acid (DHA) levels with lower offspring FM and lower visceral adipose tissue during childhood, however, most U.S. pregnant women do not consume an adequate amount of DHA. We will determine if prenatal DHA supplementation is protective for body composition changes during infancy and toddlerhood in offspring exposed to excessive GWG.
Methods And Design: Infants born to women who participated in the Assessment of DHA on Reducing Early Preterm Birth randomized controlled trial (ADORE; NCT02626299) will be invited to participate. Women were randomized to either a high 1000 mg or low 200 mg daily prenatal DHA supplement starting in the first trimester of pregnancy. Offspring body composition and adipose tissue distribution will be measured at 2 weeks, 6 months, 12 months, and 24 months using dual energy x-ray absorptiometry. Maternal GWG will be categorized as excessive or not excessive based on clinical guidelines.
Discussion: Effective strategies to prevent obesity development are lacking. Exposures during the prenatal period are important in the establishment of the offspring phenotype. However, it is largely unknown which exposures can be successfully targeted to have a meaningful impact. This study will determine if prenatal DHA supplementation modifies the relationship between maternal weight gain and offspring FM and FM distribution at 24 months of age.
Ethics And Dissemination: The University of Kansas Medical Center Institutional Review Board (IRB) approved the study protocol (STUDY00140895). The results of the trial will be disseminated at conferences and in peer reviewed publications.
Trial Registration: ClinicalTrials.gov ID: NCT03310983.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10852997 | PMC |
| http://dx.doi.org/10.1016/j.cct.2023.107279 | DOI Listing |
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