Objective and Subjective Aspects of Voice in Pregnancy

This study aimed to evaluate vocal changes in pregnancy according to trimesters both objectively and subjectively. Fifty pregnant women and 15 nonpregnant women were included in the study. Eighteen of the 50 pregnant women were in the first trimester, 17 in the second trimester, and 15 in the third trimester of their pregnancies. The fundamental frequency (F0), jitter, shimmer, noise-to-harmonics ratio (NHR), and minimum and maximum pitch were determined during acoustic voice analysis. Laryngologic examination was evaluated via reflux finding score (RFS). Voice Handicap Index 10 (VHI-10) was used for subjective analysis. Maximum phonation time (MPT), VHI-10, and RFS were the parameters that differed significantly. MPT was significantly shorter in the third trimester. Acoustic analysis revealed that F0, jitter, shimmer, NHR, and minimum and maximum pitch values were not significantly different in any groups. RFS was higher in the first and third trimesters than the second trimester and control groups. VHI-10 scores were significantly higher in the third trimester. Our results showed that MPT is decreased during the third trimester, although acoustic parameters did not differ. VHI-10 results deteriorated in the third trimester significantly.

Journal Journal of Voice
Year 2016
Volume 30
Issue 1
Pages 70-73

Saltürk, Ziya; Kumral, Tolgar Lütfi; Bekiten, Güler; Atar, Yavuz; Ataç, Enes; Aydogdu, Imran; Yildirim, Güven; Kiliç, Aydin; Uyar, Yavuz (2016) Objective and Subjective Aspects of Voice in Pregnancy. In: Journal of Voice: Official Journal of the Voice Foundation, Vol. 30, No. 1, pp. 70-73. Available at http://openmusiclibrary.org/article/71090/.

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