Omega-3 Supplementation in Pregnancy: Impact on Child Development and Pregnancy Outcomes

Introduction

A recent systematic review and meta-analysis by Saei Ghare Naz et al. (2023), published in Health Science Reports, examines the effect of omega-3 fatty acid supplementation during pregnancy on neonatal anthropometric measures (e.g., birth weight, length) and pregnancy outcomes such as preterm birth or preeclampsia. Omega-3 fatty acids, particularly DHA and EPA, are essential for fetal neurological development and maternal health. But how relevant are these findings for a holistic view of nutrition and health?

Study Results at a Glance

The authors analyzed numerous randomized controlled trials and found the following key results:

• Anthropometric Measures: Omega-3 supplementation was associated with slightly higher birth weight and better growth development of the child.
• Pregnancy Course: There was evidence of a reduced rate of preterm births and a lower risk of preeclampsia in mothers who took omega-3.
• Safety: No significant side effects were reported, classifying the supplementation as safe.

However, the effects were not equally strong across all studies, indicating individual differences in metabolism and lifestyle.

Connection to the Psychophysiological Interaction Model

Within the framework of Jürg Hösli's psychophysiological interaction model, it becomes clear that nutrition – such as the intake of omega-3 here – cannot be viewed in isolation. Omega-3 fatty acids influence inflammatory processes in the body and thus the balance of the autonomic nervous system (sympathetic/parasympathetic). An anti-inflammatory effect can strengthen the parasympathetic nervous system, which promotes stress reduction in the mother and positively affects the fetus. In addition, DHA supports the development of the child's nervous system, which could long-term influence the child's stress processing and performance. This shows the connection between psyche, body, and nutrition: the mother's nutrition directly impacts the child's psychophysiological basis.

Relevance for Everyday Life

The study results clarify that nutrition during pregnancy plays a preventive role. Omega-3 can not only support the physical development of the child but also reduce the risk of complications for the mother. But it's not just about "what" you eat, but "why" and "for whom" – a core theme of Jürg Hösli. Not every pregnant woman has the same needs. Women with high stress levels or inflammatory processes could benefit more.

Practical Recommendations

• Adjust diet: Omega-3-rich foods such as fatty fish (e.g., salmon, mackerel) or plant-based