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Related Experiment Video

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A Novel Use of Three-dimensional High-frequency Ultrasonography for Early Pregnancy Characterization in the Mouse

A Novel Use of Three-dimensional High-frequency Ultrasonography for Early Pregnancy Characterization in the Mouse

Published on: October 24, 2017

Pregnancy and voice: changes during the third trimester.

Verónica L Cassiraga¹, Andrea V Castellano, José Abasolo

¹Speech and Language Section, Otolaryngology Service, Hospital Italiano de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina. veronica.cassiraga@hospitalitaliano.org.ar

Journal of Voice : Official Journal of the Voice Foundation

|May 15, 2012

Summary

This summary is machine-generated.

Pregnancy significantly alters voice quality, with third-trimester pregnant women experiencing reduced phonation time and abnormal auditory perceptual evaluation compared to non-pregnant individuals. These findings highlight the impact of physiological changes during pregnancy on vocal parameters.

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Area of Science:

Obstetrics and Gynecology
Speech and Hearing Sciences
Physiology

Background:

Pregnancy induces significant physiological, metabolic, and anatomical changes.
These alterations can impact vocal attributes, particularly during the third trimester.
Voice quality and perturbation rates may be affected by gestational changes.

Purpose of the Study:

To compare voice attributes between women in their third trimester of pregnancy and matched non-pregnant controls.
To investigate the effects of pregnancy on vocal parameters such as fundamental frequency and phonation time.

Main Methods:

A case-control study design was employed.
Third-trimester pregnant women from an antenatal care clinic were compared to non-pregnant controls.
Key voice parameters analyzed included fundamental frequency, maximum phonation time, vocal intensity, perturbation rates, and acoustic qualities.

Main Results:

Pregnant women exhibited a higher incidence of abnormal auditory perceptual evaluation.
A reduction in phonation time was observed in pregnant women.
Gastroesophageal reflux and clavicular breathing were more prevalent in the pregnant group.

Conclusions:

Significant differences in voice parameters were found between pregnant and non-pregnant women.
Physiological and bodily changes during pregnancy demonstrably affect voice quality.
The third trimester is a critical period for observing pregnancy-related vocal modifications.