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Related Experiment Videos

Changes in gustatory sense during pregnancy.

Mutsumi Kuga1, Minoru Ikeda, Kunio Suzuki

  • 1Department of Otolaryngology, Nihon University School of Medicine, Tokyo, Japan.

Acta Oto-Laryngologica. Supplementum
|July 23, 2002
PubMed
Summary

Pregnancy often alters taste perception, particularly sour tastes, with reduced gustatory function observed in the first trimester. Hormonal shifts, not zinc deficiency, are likely causes of these early pregnancy taste changes.

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Area of Science:

  • Physiology
  • Neuroscience
  • Human Biology

Background:

  • Investigating alterations in the gustatory sense during pregnancy is crucial for understanding physiological changes.
  • Pregnancy is associated with numerous sensory modifications, including taste perception.

Observation:

  • A study involved 97 pregnant women and 30 non-pregnant controls, assessing taste changes via questionnaires and electrogustometry.
  • Serial gustatory function tests were performed on pregnant women, measuring responses via the chorda tympani and glossopharyngeal nerves.

Findings:

  • Over 90% of pregnant women reported taste alterations, with sour taste changes being most common (65.6%).
  • Pregnant women exhibited higher gustatory thresholds, indicating decreased taste sensitivity, most pronounced in the first trimester.

Related Experiment Videos

  • While serum zinc decreased in later pregnancy, early pregnancy zinc levels were normal, ruling out deficiency as the cause of initial dysgeusia.

    • Implications:

    • Early pregnancy dysgeusia is likely linked to significant hormonal fluctuations characteristic of the first trimester.
    • Understanding these gustatory changes can inform dietary recommendations and patient counseling during pregnancy.