Preconception Nutrition, Physical Activity, and Birth Outcomes in Adolescent Girls

Abstract Study Objective Recommendations for preconception care usually include optimal nutrition and physical activity, but these have not been tested extensively for their relationship with birth outcomes such as low birth weight and preterm birth. Design Data from Waves I, II, and IV of the Natio...

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Bibliographic Details
Published in:Journal of pediatric & adolescent gynecology 2015-12, Vol.28 (6), p.471-476
Main Authors: Xie, Yiqiong, PhD, Madkour, Aubrey Spriggs, PhD, Harville, Emily Wheeler, PhD
Format: Article
Language:English
Subjects:
Adolescent
Adolescent Nutritional Physiological Phenomena
Adolescents
Birth Weight
Diet Surveys - methods
Female
Food - statistics & numerical data
Gestational age
Humans
Infant, Low Birth Weight
Infant, Newborn
Longitudinal Studies
Maternal Nutritional Physiological Phenomena
Motor Activity
Obstetrics and Gynecology
Pediatrics
Physical activity
Preconception Care
Preconception nutrition
Pregnancy
Pregnancy Outcome
Premature Birth - etiology
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Summary:Abstract Study Objective Recommendations for preconception care usually include optimal nutrition and physical activity, but these have not been tested extensively for their relationship with birth outcomes such as low birth weight and preterm birth. Design Data from Waves I, II, and IV of the National Longitudinal Study of Adolescent Health (Add Health) contractual dataset were used. Methods In Wave I in-home interview, participants were asked to recall their frequency of having 5 types of food on the previous day, including milk, fruit, vegetables, grains, and sweets. At Wave II, participants reported the previous day's intake of 55 items, and results were categorized into high-calorie sweet, high-calorie nonsweet, and low-calorie food. At Wave I in-home interview, participants were also asked how many times in a week or during the past week they were involved in types of physical activity. At Wave IV, female participants reported pregnancies and birth outcomes. Multivariable linear regression analysis with survey weighting was used to predict birth weight and gestational age. Results There were no associations between reported food intake and birth outcomes. Girls who engaged in more episodes of active behavior had higher birth weights ( P  
ISSN:1083-3188
1873-4332
DOI:10.1016/j.jpag.2015.01.004