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Taste changes across pregnancy

V B Duffy1, L M Bartoshuk, R Striegel-Moore

  • 1University of Connecticut, Storrs 06269, USA. vduffy@uconnvm.uconn.edu

Annals of the New York Academy of Sciences
|February 4, 1999
PubMed
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Pregnancy alters taste perception, with intensity and preference changes potentially supporting maternal and fetal health. These taste shifts may help pregnant individuals avoid toxins and consume a balanced diet.

Area of Science:

  • Sensory science
  • Human physiology
  • Reproductive health

Background:

  • Taste perception and preference can fluctuate during pregnancy.
  • Understanding these changes is crucial for supporting healthy pregnancy outcomes.
  • Hormonal variations may influence taste sensitivity in non-pregnant individuals.

Purpose of the Study:

  • To investigate changes in taste intensity and hedonic (pleasure) ratings during pregnancy.
  • To compare taste perception variability between pregnant women and non-pregnant controls.
  • To explore potential links between taste alterations and pregnancy health.

Main Methods:

  • Assessed taste intensity and preference for NaCl, sucrose, citric acid (CA), and quinine hydrochloride (QHCl) in pregnant women and controls.

Related Experiment Videos

  • Pregnant women were tested in non-pregnant state and across three trimesters.
  • Statistical analyses included F distribution for variance and Friedman two-way ANOVA for within-pregnancy changes.

    • Main Results:

    • Pregnant women showed less variance in taste intensity ratings compared to controls.
    • Significant changes in taste intensity were observed for NaCl and QHCl across pregnancy trimesters.
    • Preference ratings for NaCl, CA, and QHCl also varied significantly throughout pregnancy.

    Conclusions:

    • Taste perception and hedonic responses are significantly altered during pregnancy.
    • These taste changes may play a role in protecting the fetus and ensuring adequate nutrition.
    • Observed taste shifts could be adaptive mechanisms for a healthy pregnancy.