Maternal Dietary Patterns and Birth Outcomes
Summary
Maternal dietary patterns encompass the overall combination and quantities of foods and beverages consumed during pregnancy, reflecting habitual intake rather than isolated nutrients. Epidemiological and interventional research has established links between specific patterns—such as diets rich in fruit, vegetables, whole grains, lean proteins and healthy fats—and favourable perinatal outcomes. These include reduced risks of gestational diabetes mellitus, pregnancy-induced hypertension, pre-eclampsia, preterm birth, low birthweight and small-for-gestational-age (SGA) infants. Conversely, energy-dense, nutrient-poor “Western” diets have been associated with excessive gestational weight gain, macrosomia and induced preterm delivery. The assessment of dietary patterns through a priori scores (based on dietary guidelines) or a posteriori methods (such as principal component analysis) enables a holistic evaluation of maternal nutrition. Globally, this body of work underpins public health recommendations and targeted interventions aimed at optimising both maternal metabolic health and foetal growth trajectories, with potential benefits that extend into childhood and beyond.
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Maternal Dietary Patterns and Birth Outcomes publication trend
The graph below shows the total number of articles in maternal dietary patterns and birth outcomes across all publications each year (not limited to Nature Index journals).
Technical terms
Dietary pattern analysis: Statistical methods (a priori or a posteriori) to characterise overall diet and its relation to health outcomes.
Gestational diabetes mellitus (GDM): New-onset glucose intolerance first recognised during pregnancy, linked to maternal and neonatal complications.
Small-for-gestational-age (SGA): Birthweight below the 10th percentile for a given gestational age, indicating restricted foetal growth.
Preterm birth: Delivery before 37 completed weeks of gestation, associated with increased morbidity.
Food-frequency questionnaire (FFQ): A self-reported instrument assessing habitual dietary intake over a specified period.
References
- Association between the Maternal Mediterranean Diet and Perinatal Outcomes: A Systematic Review and Meta-Analysis. Advances in Nutrition (2023).
- The association between dietary patterns and risk of miscarriage: a systematic review and meta-analysis. Fertility and Sterility (2023).
- Maternal Dietary Patterns during Third Trimester in Association with Birthweight Characteristics and Early Infant Growth. Scientifica (2013).
- Maternal Dietary Patterns and Pregnancy Outcome. Nutrients (2016).
- A Priori and a Posteriori Dietary Patterns during Pregnancy and Gestational Weight Gain: The Generation R Study. Nutrients (2015).
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