VACVINA: Animal Source Food Supplement and Pregnancy in Vietnam
Study Details
Study Description
Brief Summary
The purpose of this study is to determine if a nutrient-rich supplement of animal-source foods ingested 5d/wk from pre-conception to term improves maternal nutrient status, decreases infections, and improves birth weight and rates of prematurity compared with supplemental ingestion during pregnancy ( from mid-gestation to term) or routine prenatal care.
Condition or Disease | Intervention/Treatment | Phase |
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N/A |
Detailed Description
It has been known for over 80 years that maternal starvation reduces fetal growth and increases neonatal infections. Many different nutrition programs have been targeted to pregnant women to improve pregnancy outcomes. The impact of these programs has been disappointing, and the prevalence of low birth weight (LBW) and infant mortality remains high, especially in developing countries. More recently, as a result of improved access to cereals following the 'green revolution,' nutritional concerns shifted from protein and energy to micronutrient deficiencies, especially those micronutrients in animal-source foods (ASFs)-iron, zinc, vitamins A and B12. Diets of pregnant women are usually limited to rice and a few vegetables, and they lack key nutrients known to reduce preterm delivery, to support fetal growth, and to prevent infections that leads to early neonatal deaths. Vietnam has a well-established farm system that supports the local production of fish, pork, poultry, and eggs. This provides an opportunity to evaluate the impact of a food-based, micronutrient-rich supplement on pregnancy outcome in high-risk, rural Vietnamese women. Since maternal nutritional status at conception is strongly linked to pregnancy outcomes, we will compare the effect of consuming a micronutrient-rich, animal-source food (ASF) supplement from pre-conception to term with a supplement from mid-gestation to term or routine prenatal care on infant birth weight, prematurity rate, and infant growth during the first 6 months of life. This study will be the first to compare a food-based, micronutrient-rich supplement consumed prior to conception to term with one given only during pregnancy. Although it is recognized by many that pregnancy may be too narrow a window to improve maternal nutritional health, it is typical for micronutrient supplements to only be given from the time of enrolling for prenatal care to term. The results of our study, therefore, will have world-wide implications regarding when maternal supplementation should be given to have the greatest impact on pregnancy outcome.
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
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Experimental: ASF supplement pre-pregnancy to term Supplement of animal-source foods rich in iron, zinc, vitamin A, and vitamin B12 |
Other: Food
Animal-source food (ASF) supplement rich in iron, zinc, vitamin A, and vitamin B12 taken week-days at mid-morning separate from other food. Length of intervention is either from pre-pregnancy (time of registration to marry) to term or from 16 weeks gestation to term.
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Experimental: ASF Supplement mid-gestation to term Supplement of animal-source foods rich in iron, zinc, vitamin A, and vitamin B12 |
Other: Food
Animal-source food (ASF) supplement rich in iron, zinc, vitamin A, and vitamin B12 taken week-days at mid-morning separate from other food. Length of intervention is either from pre-pregnancy (time of registration to marry) to term or from 16 weeks gestation to term.
|
No Intervention: Routine prenatal care Nutrition education and iron-folate supplements during pregnancy |
Outcome Measures
Primary Outcome Measures
- Birth Weight [At birth]
Weight of baby at birth on a scale weighing to 0.1 g made within one hour of delivery
Secondary Outcome Measures
- Preterm birth [At birth]
Birth of baby prior to 37 weeks gestation based on mother's last menstrual period, confirmed by ultrasound
Eligibility Criteria
Criteria
Inclusion Criteria:
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Non-pregnant women registering to marry in the Cam Khe District of Phu Tho Province
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Nulliparous
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Planning to reside in the study site for the next 3 years.
Exclusion Criteria:
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Married
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Have had a previous pregnancy
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Have a history of severe infections (HIV, TB) or metabolic disease (diabetes)
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BMI <17 kg/m2
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Do not reside in study communes
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Unable to provide informed consent
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
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1 | National Institute of Nutrition | Hanoi | Vietnam |
Sponsors and Collaborators
- UCSF Benioff Children's Hospital Oakland
Investigators
- Principal Investigator: Janet C King, Ph.D., UCSF Benioff Children's Hospital Oakland
Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- 2010-068
- TRF-01