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Small intestinal atresia: effect on fetal nutrition
1Children's Research Centre, Our Lady's Hospital for Sick Children, Dublin, Ireland.
Journal of Pediatric Surgery
|September 1, 1994
Summary
Amniotic fluid plays a vital role in fetal nutrition, particularly in the final weeks of pregnancy. Small intestinal atresia (IA) studies show impaired fetal growth when amniotic fluid intake is disrupted.
Area of Science:
- Fetal Development
- Neonatal Surgery
- Gastroenterology
Background:
- Peak fetal weight gain occurs late in gestation.
- Fetal swallowing and absorption of amniotic fluid increase with maturation.
- The nutritive role of amniotic fluid in human fetal development is not fully understood.
Purpose of the Study:
- To investigate the nutritive role of amniotic fluid in human fetal development.
- To determine the gestational stage at which amniotic fluid significantly contributes to fetal nutrition.
- To assess the impact of small intestinal atresia (IA) on fetal growth.
Main Methods:
- Retrospective study of 59 newborns with small intestinal atresia (IA) over 9 years.
- Analysis of gestational age, birth weight, and location of IA (jejunal vs. ileal).
- Comparison of birth weights for gestational age, particularly in cases born after 36 weeks.
Main Results:
- Patients with IA born after 36 weeks' gestation showed a higher incidence of being underweight.
- Underweight incidence was higher in jejunal atresia (41.7%) compared to ileal atresia (26.7%) in this group.
- These findings suggest amniotic fluid contributes to fetal growth in late gestation, with greater impact from higher intestinal obstructions.
Conclusions:
- Amniotic fluid appears to contribute significantly to fetal growth during the last weeks of gestation.
- The severity of fetal malnutrition correlates with the level of intestinal obstruction.
- This highlights the importance of amniotic fluid's nutritive role in late-term fetal development.