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Related Experiment Video

Updated: May 19, 2026

The Use of Gas Chromatography to Analyze Compositional Changes of Fatty Acids in Rat Liver Tissue during Pregnancy
11:08

The Use of Gas Chromatography to Analyze Compositional Changes of Fatty Acids in Rat Liver Tissue during Pregnancy

Published on: March 13, 2014

A decrease in diet quality occurs during pregnancy in overweight and obese women which is maintained post-partum.

L J Moran1, Z Sui, C S Cramp

  • 1The Robinson Institute, Discipline of Obstetrics & Gynaecology, The University of Adelaide, North Adelaide, South Australia, Australia. lisa.moran@adelaide.edu.au

International Journal of Obesity (2005)
|August 8, 2012
PubMed
Summary
This summary is machine-generated.

Diet quality declines during pregnancy and postpartum in overweight/obese women. Interventions should focus on early pregnancy and postpartum periods to improve nutrition for maternal and fetal health.

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The Use of Gas Chromatography to Analyze Compositional Changes of Fatty Acids in Rat Liver Tissue during Pregnancy
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Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes
03:19

Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes

Published on: June 28, 2024

Area of Science:

  • Obstetrics and Gynecology
  • Nutritional Science
  • Public Health

Background:

  • Adequate dietary intake during pregnancy is crucial for maternal and fetal health.
  • Dietary quality changes throughout pregnancy and the postpartum period are not well understood.
  • Overweight and obese pregnant women represent a key population for nutritional assessment.

Purpose of the Study:

  • To comprehensively assess diet quality in overweight and obese women during pregnancy and the early postpartum period.
  • To identify changes in diet quality and contributing factors over time.
  • To inform targeted nutritional interventions.

Main Methods:

  • Prospective cohort study of 301 overweight or obese pregnant women.
  • Food frequency questionnaires administered at multiple time points: 10-20 weeks gestation, 28 weeks gestation, 36 weeks gestation, and 4 months postpartum.
  • Diet quality assessed using the Healthy Eating Index (HEI), along with macronutrient and micronutrient intake analysis.

Main Results:

  • Overall energy and macronutrient intake remained stable across pregnancy and postpartum.
  • Healthy Eating Index (HEI) scores were below average in 31% of women at baseline.
  • Diet quality, as measured by HEI, significantly decreased from 28 weeks gestation and remained lower postpartum, associated with reduced intake of milk, meat, and unsaturated oils, and increased intake of solid fats, alcohol, and sugars.
  • Lower diet quality was independently predicted by socioeconomic status.

Conclusions:

  • Dietary quality significantly declines during pregnancy and is maintained at a reduced level in the early postpartum period among overweight and obese women.
  • These findings highlight the need for early and sustained dietary interventions.
  • Interventions should be targeted to early pregnancy and the postpartum period to optimize maternal and fetal health outcomes.