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The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
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Related Experiment Video

Updated: Sep 27, 2025

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Dietary Supplement Use during Pregnancy: Perceptions versus Reality.

Caihong Xiang1, Jing Luo1, Guilian Yang2

  • 1Department of Nutrition Science and Food Hygiene, Xiangya School of Public Health, Central South University, 110 Xiangya Rd., Changsha 410078, China.

International Journal of Environmental Research and Public Health
|April 12, 2022
PubMed
Summary

Pregnant Chinese women extensively use dietary supplements, with 94.8% using at least one. High usage is linked to factors like gestational age and hypothyroidism, highlighting a need for better guidelines.

Keywords:
dietary supplementsperceptionpregnant womenprevalence

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Area of Science:

  • Maternal Health
  • Nutritional Science
  • Public Health

Background:

  • Dietary supplement use during pregnancy is common globally.
  • Understanding specific patterns in diverse populations like China is crucial.
  • Existing guidelines may not fully address current consumption trends.

Purpose of the Study:

  • To investigate the prevalence of dietary supplement use among pregnant women in China.
  • To identify factors associated with high-volume supplement consumption.
  • To explore perceptions and purchasing behaviors related to these supplements.

Main Methods:

  • A cross-sectional study involving 572 pregnant women in China.
  • Data collected via face-to-face surveys using a self-designed questionnaire.
  • Multivariate analysis to determine associated factors.

Main Results:

  • High prevalence: 94.8% used at least one supplement; 29.8% used more than four.
  • Positive perceptions: believed supplements prevent/treat nutrition-related diseases (89.2%).
  • Associated factors for multiple supplement use included higher gestational age, fertility treatment, more prenatal visits, and hypothyroidism.

Conclusions:

  • Pregnant Chinese women exhibit extensive and frequent dietary supplement consumption.
  • Purchasing channels include hospitals, pharmacies, and significant online/overseas sources.
  • There is an urgent need for updated and comprehensive guidelines for supplement use in pregnancy in China.