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Obstet Gynecol. 2003 Apr;101(4):773-7.

Do oral contraceptives improve vocal quality? Limited trial on low-dose formulations.

Author information

1
Department of Communication Disorders, Sackler Medical School, Tel-Aviv University, Tel-Aviv, Israel. oferamir@post.tau.ac.il

Abstract

OBJECTIVE:

To evaluate the effect of low-dose monophasic oral contraceptives on female vocal quality.

METHODS:

Acoustic voice parameters of six women who use oral contraceptives and six women who do not were evaluated repeatedly during the menstrual cycle. Frequency and amplitude variations were measured using a computerized voice analysis program. Repeated-measures analysis of variance was performed to test differences between groups for each acoustic voice parameter.

RESULTS:

Vocal stability among the women who use oral contraceptives was significantly better than among those who did not use oral contraceptives (P <.05). Specifically, amplitude and frequency variations between successive vocal cycles were smaller in women using oral contraceptives in comparison with the control group (.24 dB versus.37 dB and.86% versus 1.27% for amplitude and frequency variations, respectively).

CONCLUSION:

Contrary to the reports of adverse effects that high-dose pills have on voice, low-dose oral contraceptives show a favorable influence on voice in young women.

PMID:
12681885
[Indexed for MEDLINE]

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